OT-2026-000021755
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000021755) never changes.
Identity and time
| Publication number | OT-2026-000021755 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7272-92e8-0ec19156766f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021755 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2e265cf5dcfcc85a568ae3eeb73f61bf7670eab1f31e58cd4ec02d1aa4d4cbb |
|---|---|
| Markdown | b759c90d662cbb5e3c89a6e8ddde2073a68acebf4240a432b9d65a44c08378dd |
| Publication page | 11bcfc4eb5d13126b2885646a6028d3e17133223f5fdb0f1d1a0d7b70d47bbb4 |
| Manifest | faf9801ecb339b6b90acc3dcc0218b6241dfeef0b9cc63b3919f45e69fe90e32 |
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 | n44OyIvQHNDfq4RjissoeX54b6Db3U0+OjR/mGDfunRtI6yj77E1fZgUEmwt8P7uY2GWH0oiUIu+g/c9MlG+AQ== |
| 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
| 2026-09-17T11:54:17.848925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021755observed 11bcfc4eb5d13126b2885646a6028d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:17.830546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021755/manifest.jsonobserved faf9801ecb339b6b90acc3dcc0218b62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.811500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021755/publication.mdobserved b759c90d662cbb5e3c89a6e8ddde2073...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.794689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021755/publication.txtobserved b2e265cf5dcfcc85a568ae3eeb73f61b...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. |
|---|