OT-2026-000020840
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000020840) never changes.
Identity and time
| Publication number | OT-2026-000020840 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-738e-9783-df92f39f5edd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7951719870e6930fb9e47d0639a1253bc5fef5e4a956ce7aeadf0c642e08ab20 |
|---|---|
| Markdown | df993d04b2815da92662406f2b689fa279f88cc27014bc5e0ecb53972bb27414 |
| Publication page | 51f0567bcafe493802cbac5b7fb962f164e994800fd66b1f12fea180be5a64e1 |
| Manifest | 9f1f2e76f2e7c7647524dd8ae6994479aa5be0e8f234e52f7cc4a068a0439d1b |
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 | jMDPTM33SabRyydl/VrsRFM37Fj6FLF1L5Tssk6L/yXnPdsmZvDjvjJptutRSMEP5DEqGaHNY2EpClqvK5ZqBQ== |
| 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
| 2026-09-17T11:55:56.237402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020840observed 51f0567bcafe493802cbac5b7fb962f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:56.218803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020840/manifest.jsonobserved 9f1f2e76f2e7c7647524dd8ae6994479...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.201504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020840/publication.mdobserved df993d04b2815da92662406f2b689fa2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.183867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020840/publication.txtobserved 7951719870e6930fb9e47d0639a1253b...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. |
|---|