OpenTechnical

OT-2026-000039931

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000039931) never changes.

Identity and time

Publication numberOT-2026-000039931 · never reused
Internal UUID01a0ae78-d8d7-75a9-8b1e-34e038c53c3d · 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-2026-000039931
StatusPUBLIC

Content hashes

Canonical text8e3a10427a1329396aa216380e5a6c16b4d828246576b43e826ffe7abbc30bd0
Markdown051ae160a44204b9950d6368a03e51ccb056cd26cf5bd4497db68933ed64a030
PDF
Publication pagec7dc88625e42fe3c5715dbebab9f39b74bc5e324618c84687b652c59f1288a2a
Manifest774bc9545232bcb4f8d125a4df029e9cf5876f9a8fe82cd955d3926532bd5e67

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
SignaturezJvLL+DOXoXkL4atghpzMLw5B3on4mlbBvQqFgqfYZnJIqnHBsA2/mI/UdcTy9BjgjJj0fC1D1n6QIndSX+QAA==
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

2026-09-17T11:20:14.025226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039931
observed c7dc88625e42fe3c5715dbebab9f39b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.007261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039931/manifest.json
observed 774bc9545232bcb4f8d125a4df029e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.988375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039931/publication.md
observed 051ae160a44204b9950d6368a03e51cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.968494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039931/publication.txt
observed 8e3a10427a1329396aa216380e5a6c16...
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.