OpenTechnical

OT-2026-000010103

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000010103) never changes.

Identity and time

Publication numberOT-2026-000010103 · never reused
Internal UUID01a0ae6b-cb7a-79b5-8f0e-7e227f214ba2 · 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-2026-000010103
StatusPUBLIC

Content hashes

Canonical text6e6243a5b99302fd83a603053bba00d7eb8ae7a30468093679b471fbbdb7ff8a
Markdownbbc7d195d00647afbecf2cb646d82d0994a9dd386e101ad2c19bb604f99193d0
PDF
Publication page182904ecd6d8ef7f6e7b8bc69a30cc0ad55aecd0bc283de204ea403d3aafcb9f
Manifest5cd865aa563038439afa61f112af2c676a5f7bd3f41bf1e5634c655fc9a1bb57

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
SignaturetSw3+x8rjIkAMSvmDd7lzhR7V3CRxFgKA0l+t0wtnUfYnRtu60qvGvX1o8bHzy4yOFloesGtVTSIAAmMczecDw==
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

2026-09-17T12:16:11.566636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010103
observed 182904ecd6d8ef7f6e7b8bc69a30cc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.548380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010103/manifest.json
observed 5cd865aa563038439afa61f112af2c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.528568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010103/publication.md
observed bbc7d195d00647afbecf2cb646d82d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.508664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010103/publication.txt
observed 6e6243a5b99302fd83a603053bba00d7...
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.