OpenTechnical

OT-2026-000010781

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, vented after 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-2026-000010781) never changes.

Identity and time

Publication numberOT-2026-000010781 · never reused
Internal UUID01a0ae6c-0ee9-72e7-900c-2ab130722e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010781
StatusPUBLIC

Content hashes

Canonical text89b87413cb55e9a5a1b3b0eb7e32420f50fe198ea55cdfa9582067957165fe17
Markdown836694eb6dba694894ce87dfa08f161c2e9726648c6a1c69ee54ee150f43d3c0
PDF
Publication page4750a30a06489f47d19c00f4bf8bb341d4212971f8081ab75285ba3eabbcab4c
Manifestd6a125a839afcad5da2527b6a253aa1a15b61474d68473b7b0c86fc87b208656

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureatRNA6TPPGwdLDgvHYu7ZlxUX6lDZlAbAy7LLF2RNgiy2iu4TTo61PVhetpvQw/54B0ccjECV+z4e5Ze6rYkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:15:42.495540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010781
observed 4750a30a06489f47d19c00f4bf8bb341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.471424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010781/manifest.json
observed d6a125a839afcad5da2527b6a253aa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.449372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010781/publication.md
observed 836694eb6dba694894ce87dfa08f161c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.423315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010781/publication.txt
observed 89b87413cb55e9a5a1b3b0eb7e32420f...
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 archivePending 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 packagePending Custody packages are produced weekly.