OpenTechnical

OT-2026-000039759

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000039759) never changes.

Identity and time

Publication numberOT-2026-000039759 · never reused
Internal UUID01a0ae78-d8d5-7a78-b828-b58648ecb552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039759
StatusPUBLIC

Content hashes

Canonical textd546fbaff2d369892c2f7b919d52cb9a52ff7e9ee3e92dafbbe7b53adb9d416c
Markdown1feef893af80d352421c2665257d0c099d4adcbb01ccd1e444f50856db73b086
PDF
Publication page0e6fa2f1e521c5486f390e230878c619020f2f0e55de6e1ce6509477266ab76c
Manifest577f6f113ac96ee5020e19db67a592c229fc9eb92facd777e76c6602b5fe7e45

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
SignatureCDIgyuY7URpno0ZOWunBDK7thAWsR9EREUPyVutZsoUP0Lef9a+J3B7eUV0rmn/63QAFcywjz6SceJ2XzqbPDQ==
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

2026-09-17T11:19:58.680925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039759
observed 0e6fa2f1e521c5486f390e230878c619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.662948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039759/manifest.json
observed 577f6f113ac96ee5020e19db67a592c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.645047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039759/publication.md
observed 1feef893af80d352421c2665257d0c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.627512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039759/publication.txt
observed d546fbaff2d369892c2f7b919d52cb9a...
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.