OT-2026-000056157
Publication integrity record
Two cup vacuum gripper, two 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-2026-000056157) never changes.
Identity and time
| Publication number | OT-2026-000056157 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-7a3e-b569-42f88f6fe83f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056157 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32be672892af2e46386ac190cbe729667faa0394b403cca8653be0ccb985c02f |
|---|---|
| Markdown | 88e599135cbc3f3de69f0b4e51f9cf4bddb68a006d5fb2d64be1bf03a0f6abce |
| Publication page | e4f761fb7fbc70d320ae01e7612bc6f4da511a478376f1a5b6f4bf54c260b5b8 |
| Manifest | a0da6c567f5266229192241b61d1da1a1e1b1caa41b4fb4cbd8ba30708ab8a22 |
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 | L9CIqQ/sJB0LBkSnkTLVuP3SRw9kWoUloko4XVIBkAkbrdFNr7bnOGMHXLt7ST+QTcCB00WF3QLxV3WaQ+KPCg== |
| 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
| 2026-09-17T10:51:42.810361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056157observed e4f761fb7fbc70d320ae01e7612bc6f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:42.792629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056157/manifest.jsonobserved a0da6c567f5266229192241b61d1da1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.773119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056157/publication.mdobserved 88e599135cbc3f3de69f0b4e51f9cf4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.752679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056157/publication.txtobserved 32be672892af2e46386ac190cbe72966...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|