OT-2026-000018322
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000018322) never changes.
Identity and time
| Publication number | OT-2026-000018322 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-72e2-bc61-1a929b4a8f55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018322 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9f314f7420187283341ff8e101e2c0e2a96dc61f41e6c817833ad1467f2df20 |
|---|---|
| Markdown | c8c5e806a506fd70821a2dc41959116b4bad2fa45c4ea585822ce76c178686ca |
| Publication page | 644d82e1484d7eac7a1f38df43f893f042f0357c04f1becc623268443661c129 |
| Manifest | 813f4d5d46cb0f411aff1f66f8bcf1aac1de76d41e29747989d3014634e29aa9 |
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 | m4L66nEt82nFd1KdZ7rP0bkkDPLb3HQDfDDja6MgFY/l8xrRsqXHdq8x7Ra7kAloaqfh6zN48dcf6YhTZVsWBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-30T08:41:28.790309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322observed 644d82e1484d7eac7a1f38df43f893f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T08:41:28.735285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/manifest.jsonobserved 813f4d5d46cb0f411aff1f66f8bcf1aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:28.649445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/publication.mdobserved c8c5e806a506fd70821a2dc41959116b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:28.562589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/publication.txtobserved e9f314f7420187283341ff8e101e2c0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:21.394808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322observed 644d82e1484d7eac7a1f38df43f893f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:21.337735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/manifest.jsonobserved 813f4d5d46cb0f411aff1f66f8bcf1aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:21.262654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/publication.mdobserved c8c5e806a506fd70821a2dc41959116b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:21.114916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018322/publication.txtobserved e9f314f7420187283341ff8e101e2c0e...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 |
|---|