OT-2026-000027831
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000027831) never changes.
Identity and time
| Publication number | OT-2026-000027831 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7488-b40f-1eb27fffaf85 · 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-2026-000027831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61d1bc93a0903a9753e44ee56efafe33439023ed3ac32cea2291722bd8d9431b |
|---|---|
| Markdown | 882dc326da0478599829df171a8f7857a63871858bb5329d040321b7ad981b38 |
| Publication page | eccf1e53165f3c33df06c54c2e574aca4c6baeb8a0e18b3af83d1a9af0041d5a |
| Manifest | 5b1e819490fc3a4004301534e2a13ac94864592fbe04a39c5a2df1d9a280f0d9 |
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 | jkBHlUddd+WsZOJQAH4NkpAhP+XqTDWa3KqnpCKN2iKGDtqbX2AECTLEix1AGSKQ89T4aJYybDbwqnAPIW0SCg== |
| 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
| 2026-09-17T11:41:53.115270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027831observed eccf1e53165f3c33df06c54c2e574aca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:53.096639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027831/manifest.jsonobserved 5b1e819490fc3a4004301534e2a13ac9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:53.079617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027831/publication.mdobserved 882dc326da0478599829df171a8f7857...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:53.059894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027831/publication.txtobserved 61d1bc93a0903a9753e44ee56efafe33...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. |
|---|