OT-2026-000099932
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099932) never changes.
Identity and time
| Publication number | OT-2026-000099932 · never reused |
|---|---|
| Internal UUID | 01a0aea3-1473-7539-9d1f-f82d1456d04c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:11:58.336218Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000099932 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43d12bfd439c956d37f16f64d46f0c0ae62ff53945bb11393dc036e3e42582ef |
|---|---|
| Markdown | 21fa834243fa8c5180139050b3982445b29a5bc560b9836648ec5eb7c7a926ff |
| Publication page | cfc4a76a7a5e1eef18c22d2a0e5ad7ee6db290ac268b50be6565ba125bfa7ca1 |
| Manifest | 627ee6dd5dee22706c263029b658e6ac5bb4a5d0a80c949205c16581aad07e69 |
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 | LvALhc/frkjkMrW1Ag98+C3NekkILphrxbZQywGhjxhBoPmzMn1PmDi/SYzW8WeNtGJb+qoLQLm659tvMLodDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-10-30T16:41:24.880646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932observed cfc4a76a7a5e1eef18c22d2a0e5ad7ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T16:41:24.818935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/manifest.jsonobserved 627ee6dd5dee22706c263029b658e6ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:24.756052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/publication.mdobserved 21fa834243fa8c5180139050b3982445...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:24.650507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/publication.txtobserved 43d12bfd439c956d37f16f64d46f0c0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:42.387467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932observed cfc4a76a7a5e1eef18c22d2a0e5ad7ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:42.308187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/manifest.jsonobserved 627ee6dd5dee22706c263029b658e6ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:42.233785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/publication.mdobserved 21fa834243fa8c5180139050b3982445...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:42.127604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099932/publication.txtobserved 43d12bfd439c956d37f16f64d46f0c0a...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 |
|---|