OT-2026-000054994
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054994) never changes.
Identity and time
| Publication number | OT-2026-000054994 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-70b3-8956-41d88462d515 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a3a3fd00158cd4ec977120da6630c4fd998a3fd11aab338958b934e278cc0e5 |
|---|---|
| Markdown | f30aa39921adf2f2d8dd9c443bf16255734ffcbd973f7be8b5788c375c7e7976 |
| Publication page | 1b223f1ad2c7359f2ef412376e4036f3dbc1c282de3130edba48ac68a87d6d55 |
| Manifest | bebbe0853a86721f964247e0395bd329d89848253fe055677a136683492bd8d3 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | qH3WljONOwnWlYnmNOHCl7SkBUdWXdLoQCR+Zbc63q3WqAOmxVlEuEB9YVsMlJbBOqJZ03Mh+lgVcBEWhzf3AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-30T12:41:51.534753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994observed 1b223f1ad2c7359f2ef412376e4036f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T12:41:51.464263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/manifest.jsonobserved bebbe0853a86721f964247e0395bd329...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:41:51.411893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/publication.mdobserved f30aa39921adf2f2d8dd9c443bf16255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:41:51.335409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/publication.txtobserved 5a3a3fd00158cd4ec977120da6630c4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:34.103690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994observed 1b223f1ad2c7359f2ef412376e4036f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:33.938928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/manifest.jsonobserved bebbe0853a86721f964247e0395bd329...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:33.853256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/publication.mdobserved f30aa39921adf2f2d8dd9c443bf16255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:33.735041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054994/publication.txtobserved 5a3a3fd00158cd4ec977120da6630c4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|