OT-2026-000028623
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000028623) never changes.
Identity and time
| Publication number | OT-2026-000028623 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7bf8-8b25-adc4c3c53885 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 693cd5093b168e24abfee17daa00e301b54e1a943fe345d85654a54d7b35d969 |
|---|---|
| Markdown | ddffc348eaf92b9a3f79e3faf533512412363714f0b3131abf4c7cbcea9828c2 |
| Publication page | 5bc08b907e3738e6077b90be15d6b613924605d53227a9718fd8f3d4b003e82c |
| Manifest | 511113cdd85c99eb1225129ef6432b891f5b05a92fc5f03e258f9f7aee0f8ea6 |
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 | IEuPgpJr1VIB9izZWaa3E39QGymofhcdpLsZ1e1V6o23aITDRDoKAeo5DQnACARy7sATYBdJRUKLUOs/aLeuAA== |
| 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
| 2026-09-17T11:41:29.347473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028623observed 5bc08b907e3738e6077b90be15d6b613...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:29.326214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028623/manifest.jsonobserved 511113cdd85c99eb1225129ef6432b89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.306692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028623/publication.mdobserved ddffc348eaf92b9a3f79e3faf5335124...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.287828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028623/publication.txtobserved 693cd5093b168e24abfee17daa00e301...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. |
|---|