OpenTechnical

OT-2026-000016938

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000016938) never changes.

Identity and time

Publication numberOT-2026-000016938 · never reused
Internal UUID01a0ae6e-591a-75ff-8466-118c18c8f152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016938
StatusPUBLIC

Content hashes

Canonical text70abfa249158dc82f8d6c5a29e64c6f4a1db857dd97ba05e1281d569caf1cde0
Markdown2b2e0778d2a9c8a883272ea7cb1dccd54b475c101125852f77afbf45180e5cd2
PDF
Publication paged03ecba88157d2b9f360a2e25955118527cd3720f830b776588dd5cb559e45a3
Manifestc75673448009fc2ffc64cbdeeb159f5162329db20defc57bb1a1facd50b429d1

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
SignatureGzs80cfbFZddKFCA37gLLelaY4S/El9bYk+lai0JZ0bEDd4RvMipEsWKlLYUuPnh+pLyWmFDLGs+4iKBvCNNBA==
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

2026-09-17T12:03:13.325774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016938
observed d03ecba88157d2b9f360a2e259551185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.307413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016938/manifest.json
observed c75673448009fc2ffc64cbdeeb159f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.290854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016938/publication.md
observed 2b2e0778d2a9c8a883272ea7cb1dccd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.273932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016938/publication.txt
observed 70abfa249158dc82f8d6c5a29e64c6f4...
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.