OT-2026-000031605
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000031605) never changes.
Identity and time
| Publication number | OT-2026-000031605 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bacf-73de-aaeb-a8d167174ec4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031605 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6141ebd344c4e1c72225746d4b0df283d3e03f180cc754db95676dc62f16753c |
|---|---|
| Markdown | 63659966b6b9089b03b38e97fec01acd4fbe98fdd41d149df8037d23a0cc1694 |
| Publication page | 349dd5d1e95213e7efa50fdd86b64c01ba1a33f0065492c080a8ba9a7b152ef4 |
| Manifest | 4f4d37456b07422c6f950e70d30a76e6c8670cbb0ec836619b734c073b3fec00 |
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 | IetWAhKhsgtSYDNOk9kAh8T8ScSJlg3c1BsarHCLnt0xacC1YiStDnkrORcSARMl7jQfnnUpDXv7J7DDtIxVCQ== |
| 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
| 2026-09-17T11:34:39.003807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031605observed 349dd5d1e95213e7efa50fdd86b64c01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:38.984155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031605/manifest.jsonobserved 4f4d37456b07422c6f950e70d30a76e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:38.964680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031605/publication.mdobserved 63659966b6b9089b03b38e97fec01acd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:38.939423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031605/publication.txtobserved 6141ebd344c4e1c72225746d4b0df283...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. |
|---|