OT-2026-000020071
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000020071) never changes.
Identity and time
| Publication number | OT-2026-000020071 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7f52-a2c6-919f66ac6b3d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020071 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f71af8e4d3ae4fa283cb5fad08406110932aa988f98b78da2899b2479f3519d |
|---|---|
| Markdown | 5d07b30271ccf770485c35b1568b51e5558450c0cec8399de8d6297e10c4b1a4 |
| Publication page | ccbf85cf67696550625b94a72e106a178ecc5ec7c4982349ec50defe2f986616 |
| Manifest | 429d76403966d16f28a8dda2db2064a5bde5c4ca3cf5578aa2c6874949afab13 |
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 | yNMiO7ACXw7lNpi1ikprpTUALe1aqgyl+Y12z1kbjD1FtggnT5aYEY2Vri9Lpvy3Dm7rqWkX65hri2ktdnWOCQ== |
| 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
| 2026-09-17T11:58:18.679466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020071observed ccbf85cf67696550625b94a72e106a17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:18.662431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020071/manifest.jsonobserved 429d76403966d16f28a8dda2db2064a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.643528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020071/publication.mdobserved 5d07b30271ccf770485c35b1568b51e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.623963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020071/publication.txtobserved 7f71af8e4d3ae4fa283cb5fad0840611...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. |
|---|