OT-2026-000055477
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000055477) never changes.
Identity and time
| Publication number | OT-2026-000055477 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7364-a41a-ad10f27ee486 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 638384acc7cf074749db9f95e30d47b4d0473c428cef92bbc2b01bc974841940 |
|---|---|
| Markdown | 49855915327e36dae4aedd35af376789e91eb4e9aa78d703133dd1a679b79887 |
| Publication page | 3a0feffc2ef0670deae1aacfd9a9385b2437647c60fa56831f85acb8f51b3063 |
| Manifest | c5000e812670f6bb650a1590f5f4535a8bd9e0c4cce6d7c05cec8cc704e18c04 |
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 | 9MFsu6hSnr/lu8E8jQjwCzZn9b7jAl3294yNpctepjwNK+JzXIZPi1siaWptmo95bItyaUlY7boDDaw/HOxzBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:52:08.478469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055477observed 3a0feffc2ef0670deae1aacfd9a9385b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:08.460098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055477/manifest.jsonobserved c5000e812670f6bb650a1590f5f4535a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.440896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055477/publication.mdobserved 49855915327e36dae4aedd35af376789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.422660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055477/publication.txtobserved 638384acc7cf074749db9f95e30d47b4...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. |
|---|