OpenTechnical

OT-2026-000017734

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017734) never changes.

Identity and time

Publication numberOT-2026-000017734 · never reused
Internal UUID01a0ae6e-96fa-7822-acd8-dce7895e4bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017734
StatusPUBLIC

Content hashes

Canonical text977be5d7a80023c6ee1cfe53e4b9ddb0244fc9a45aeea34f9c76d1b6fc2aed68
Markdownbc814d3405e6ce57da475a222116470cfa3cea271edcc166892daeb72ed0dc7e
PDF
Publication page2c715673324a30a7f042fc1aa2bfb385b5be7dbaa3935715ff81f02f23c3d156
Manifest2463dfdf02563c3ae4fcf11920114e3b25c5d03902504c6e488d9a675b133f65

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
SignaturebuA+pZrL3+OzNSpkud0NM+2McqkUIYRnUaNLZhh91yCWRLa1nKa2wDbVsYkcPIwm8AgD/tJQfZ9ryk1lHEHIAA==
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

2026-09-17T12:01:41.149550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017734
observed 2c715673324a30a7f042fc1aa2bfb385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.132923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017734/manifest.json
observed 2463dfdf02563c3ae4fcf11920114e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.111637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017734/publication.md
observed bc814d3405e6ce57da475a222116470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.094594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017734/publication.txt
observed 977be5d7a80023c6ee1cfe53e4b9ddb0...
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.