OT-2026-000100028
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000100028) never changes.
Identity and time
| Publication number | OT-2026-000100028 · never reused |
|---|---|
| Internal UUID | 01a0aea3-1474-702a-97a0-bce27d47e548 · 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-2026-000100028 |
| Status | PUBLIC |
Content hashes
| Canonical text | 571dea78e9bd77a132e235b453dbdd19b5af3f567a95fc5c58eebda635eedde5 |
|---|---|
| Markdown | 52ce44e647d8b0c29454c807105793e796d4fa8fc5a91de5225def0376efa3f9 |
| Publication page | 241319597b9be6f3e877fb3db49611022d02a15272187d228f940d954ad7fd78 |
| Manifest | f1b904966993f2f4860aab44fff5fff485fa755f5efb8f8dbe55a0cd6559d8c3 |
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 | /Df+HKyeFjLicjmNbOltZgqAwmbNPAJ6UdC3Vm7wTqHDsWGzyChzCBe3LdMgqS3tKAhB85JT4FWJygsPpAr6Cw== |
| 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
| 2026-09-17T12:43:00.337961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028observed 241319597b9be6f3e877fb3db4961102...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:00.071549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/manifest.jsonobserved f1b904966993f2f4860aab44fff5fff4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:59.864430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/publication.mdobserved 52ce44e647d8b0c29454c807105793e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:59.379488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/publication.txtobserved 571dea78e9bd77a132e235b453dbdd19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:28:57.771936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028observed 241319597b9be6f3e877fb3db4961102...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:28:57.752718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/manifest.jsonobserved f1b904966993f2f4860aab44fff5fff4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:28:57.735370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/publication.mdobserved 52ce44e647d8b0c29454c807105793e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:28:57.718338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100028/publication.txtobserved 571dea78e9bd77a132e235b453dbdd19...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. |
|---|