OpenTechnical

OT-2026-000052311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000052311) never changes.

Identity and time

Publication numberOT-2026-000052311 · never reused
Internal UUID01a0ae83-e791-7a4d-8332-7a53c2badde3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052311
StatusPUBLIC

Content hashes

Canonical text094c049eb8aaaf613e930259c618d912b2651c46ae984216a1f44d649deb19aa
Markdown6729ca9be303a654c3724ae674871a7889f4b66ec90b6fd5582e0bdeba05d49d
PDF
Publication pagee2b399112dc2a5538bd02ebc49ffeb071e54a4e7adf92a988d80389f1d2b016c
Manifest78f892a55f4003d4285b7f16b93f9da7845af48888af3b54e4357533dd20e31d

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
SignatureCf6plY/zdE1iGaZlyZGfFCV7EOXuUrMv4DyfsGZMO7bTjmUCsl8pPPtCwrugn+19X8hM7YRY1ylg2/PVVb1PAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:59.756427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052311
observed e2b399112dc2a5538bd02ebc49ffeb07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.740364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052311/manifest.json
observed 78f892a55f4003d4285b7f16b93f9da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.724073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052311/publication.md
observed 6729ca9be303a654c3724ae674871a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.707541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052311/publication.txt
observed 094c049eb8aaaf613e930259c618d912...
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.