OT-2026-000028020
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000028020) never changes.
Identity and time
| Publication number | OT-2026-000028020 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-72ce-828e-5b38666ed164 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5225b2e3434de0da2c02e1e732186e2c0932ca50d688b34717a9e3aba1cef066 |
|---|---|
| Markdown | 0e0b57192d6d73a8c5e7caa0cf1ef868f34559a9e6d61945008b653e669bbda2 |
| Publication page | 8bfbc863ae8bc71a3c3d2454d5fa406497a7b84f84e3f583ca8d6b1600709ba2 |
| Manifest | 9e963220476b70bc8af590d19bc33085b3e280b46b3a963b6bdbe39974307907 |
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 | SFPzszg621FZS3z+Avang8bPA/GMpFquSocb6D8bMyB1je5TBzl1OHwbNgrNZq1Qxc15xLuEq5N3ZSvwVW5VCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:10.549290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028020observed 8bfbc863ae8bc71a3c3d2454d5fa4064...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:10.531940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028020/manifest.jsonobserved 9e963220476b70bc8af590d19bc33085...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.513859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028020/publication.mdobserved 0e0b57192d6d73a8c5e7caa0cf1ef868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.495656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028020/publication.txtobserved 5225b2e3434de0da2c02e1e732186e2c...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. |
|---|