OT-2026-000015316
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000015316) never changes.
Identity and time
| Publication number | OT-2026-000015316 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7e99-b841-a3ec3e56718e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015316 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12f3eec923d20363c830d61703402213fdb4c9406eed5924c3f7c03f3a56bfd7 |
|---|---|
| Markdown | 9fbfc9e5815f3aac44eb415870584378ae91c6767f28f87f4703a76e6d222c93 |
| Publication page | abe8fa840ff2617a40655f0a5d325c94a1f42c9d7bc8f6aee80e0bb3b9eb40d9 |
| Manifest | fd45ef8294ec2bc8fe94379f40312e73e8985d6d2aba0cdfb29038ba1edef125 |
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 | W2mRdaRW7A+YYaW/HtELORIrlqGZIJj1nKdlLLQnmcp6CEJJOs7dxL88cjEPynIIeWqoLls2eTgEa3SnzMUbCQ== |
| 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
| 2026-09-17T12:06:00.663095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015316observed abe8fa840ff2617a40655f0a5d325c94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:00.643016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015316/manifest.jsonobserved fd45ef8294ec2bc8fe94379f40312e73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:00.622519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015316/publication.mdobserved 9fbfc9e5815f3aac44eb415870584378...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:00.602841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015316/publication.txtobserved 12f3eec923d20363c830d61703402213...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. |
|---|