OT-2026-000091121
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000091121) never changes.
Identity and time
| Publication number | OT-2026-000091121 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-7814-8d2e-faa14c5da3c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5660ec49d7b203bd112ada4a6065d6b5be9a8011eacaf257e0446a2aeee672f5 |
|---|---|
| Markdown | f726e98cfd79f40eed430b810917d6393f5d1b7ef2ddbb209933b7fee05670d7 |
| Publication page | 23a7aa34c4eaed1296e91603fda292c1b86bddf410797fd8228ae53cb3390a42 |
| Manifest | 9f0cb2ba98a89de80b26d3c7b49d657f8897e19673a1b48432b449f63aa61448 |
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 | UUgb91PcN02uvh9pnwNUqV80xBfMGznXFAuixQSrfAUAGi5vU/oJnv73ovezeoqtfeSxiOk42xXscT7b2vZZCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:16.502180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091121observed 23a7aa34c4eaed1296e91603fda292c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:16.484602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091121/manifest.jsonobserved 9f0cb2ba98a89de80b26d3c7b49d657f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:16.466945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091121/publication.mdobserved f726e98cfd79f40eed430b810917d639...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:16.450092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091121/publication.txtobserved 5660ec49d7b203bd112ada4a6065d6b5...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. |
|---|