OT-2026-000057847
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000057847) never changes.
Identity and time
| Publication number | OT-2026-000057847 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-70f2-b5e0-bc396a0e9bf5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057847 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28c9c980e820bf1e85d7f56569062c83c2328c58c7adf51cedaf4665ecaf559c |
|---|---|
| Markdown | 85e5342bfb83a5b4fd134157b7c0fcd04f7c7e6d79fa6473b5f4dcd898ce0da1 |
| Publication page | c59f552a61e373f934ff34e5a889ec1330134aeb3841ab594fd2f90b740a42b9 |
| Manifest | db6abcebb8d6b21f9aebfdbc1a31075f734641d47ef8ac943ad19c12554d8f91 |
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 | 4x+jG1WSdNHVNzW28PSnP3/lNPGO6lw6YW0JocBSh5Xd38VxIerjCR+XrFQIbWDfMCTNr2Ed31exCTIEhYq2Dw== |
| 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... |
|---|
Independent retrieval
| 2026-10-31T12:41:17.283820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847observed c59f552a61e373f934ff34e5a889ec13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T12:41:17.231427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/manifest.jsonobserved db6abcebb8d6b21f9aebfdbc1a31075f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:17.155808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/publication.mdobserved 85e5342bfb83a5b4fd134157b7c0fcd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:17.037055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/publication.txtobserved 28c9c980e820bf1e85d7f56569062c83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:09.297338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847observed c59f552a61e373f934ff34e5a889ec13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:09.247451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/manifest.jsonobserved db6abcebb8d6b21f9aebfdbc1a31075f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:09.140831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/publication.mdobserved 85e5342bfb83a5b4fd134157b7c0fcd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:09.041978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057847/publication.txtobserved 28c9c980e820bf1e85d7f56569062c83...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 |
|---|