OpenTechnical

OT-2026-000015566

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000015566) never changes.

Identity and time

Publication numberOT-2026-000015566 · never reused
Internal UUID01a0ae6d-ef4b-7457-baee-5cdce824cb3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015566
StatusPUBLIC

Content hashes

Canonical text2a8b413b84052aa3dc111a58e0d6ab5fb1bb8316b759d863525c866c85a31c7a
Markdownef6bd9de457a450b883f35f29c469717b59dd1fc043fa093a6ec28c46ced5659
PDF
Publication page9296a8c5c59187cd0c936ae27f582377842f04e19d9f3e081268d10479a0ce09
Manifest34d617a56a4d52a459f236c987eb5eed9bebc7c22167c1063ccf15e21709d02d

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
SignaturemAH3h4SD8DC64KruTaTnoSC6w86b02IoD+huxeUORZ8VL/TMOUF0mIQZ135s0IoV/ue5tlZ4cFJUb5YiTBowBQ==
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

2026-09-17T12:06:21.408809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015566
observed 9296a8c5c59187cd0c936ae27f582377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.391473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015566/manifest.json
observed 34d617a56a4d52a459f236c987eb5eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.371883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015566/publication.md
observed ef6bd9de457a450b883f35f29c469717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.354390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015566/publication.txt
observed 2a8b413b84052aa3dc111a58e0d6ab5f...
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.