OpenTechnical

OT-2026-000010108

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000010108) never changes.

Identity and time

Publication numberOT-2026-000010108 · never reused
Internal UUID01a0ae6b-cb7a-7f19-8140-10253307b279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010108
StatusPUBLIC

Content hashes

Canonical texta2b99894aeebcc6439816d4de2078bb589a6e32ed3b0333b07909f8c40474621
Markdown5eebde549a06ba3a2679cf9bbfaab8f97cf947badc1222792af605aec72fcf76
PDF
Publication pagecd397b4239e254054a95e0af5031571d0f30195d58f77814706e8b89e32183db
Manifestc31ef7c21e19c4d5a092e015609d47fdffb294d2c5bf271edbdc6ead3a0dd36f

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
Signature0Xse4aW6hX6l5WabwhUllcsmbH+0dJg/Z3AErswYCXHzYZoLroahnc7grZerdyrvnbsLAhOyy3HYMnAqBDkcAA==
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

2026-09-17T12:15:47.139308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010108
observed cd397b4239e254054a95e0af5031571d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.120094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010108/manifest.json
observed c31ef7c21e19c4d5a092e015609d47fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.072806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010108/publication.md
observed 5eebde549a06ba3a2679cf9bbfaab8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.029981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010108/publication.txt
observed a2b99894aeebcc6439816d4de2078bb5...
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.