OT-2026-000007278
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, ejector fed, open cell
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-2026-000007278) never changes.
Identity and time
| Publication number | OT-2026-000007278 · never reused |
|---|---|
| Internal UUID | 01a0a979-1155-7efb-9fc5-6e96ca4e58cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:07:58.936045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007278 |
| Status | PUBLIC |
Content hashes
| Canonical text | 782dd3a4208f8d1335acc9367419eca984623f7b1b0e9ded0f27505584f55bc5 |
|---|---|
| Markdown | 02e5835d8b7d59dbb0f4f1c5f2e66e238bdb9202f75094e2558a741f6b93564a |
| Publication page | 1428c5261091bb2db1a3b1c24e2f960481c4ee0299862b82becb452fb2a2b2de |
| Manifest | 3e4520132fb00e14c552d9c60c3a4a8454d61a3490268caf4b33b232d60495b5 |
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 | b/DpxFjQwmbfmvXnuqdOEHwPgEzlp5KhFSSwhXuCBHleeO12bFpzZBlSTZyOnvlEzpTsno6JxMp1/89MprlAAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-10-03T08:41:31.612260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278observed 1428c5261091bb2db1a3b1c24e2f9604...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T08:41:31.539925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/manifest.jsonobserved 3e4520132fb00e14c552d9c60c3a4a84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:31.467503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/publication.mdobserved 02e5835d8b7d59dbb0f4f1c5f2e66e23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:31.354395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/publication.txtobserved 782dd3a4208f8d1335acc9367419eca9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:46.690043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278observed 1428c5261091bb2db1a3b1c24e2f9604...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:46.618074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/manifest.jsonobserved 3e4520132fb00e14c552d9c60c3a4a84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:46.548783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/publication.mdobserved 02e5835d8b7d59dbb0f4f1c5f2e66e23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:46.346238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007278/publication.txtobserved 782dd3a4208f8d1335acc9367419eca9...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 |
|---|