OpenTechnical

OT-2026-000041018

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041018) never changes.

Identity and time

Publication numberOT-2026-000041018 · never reused
Internal UUID01a0ae79-b10e-71ad-bc2d-e0c6ed9815b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041018
StatusPUBLIC

Content hashes

Canonical text2f8b199c89ece15ee1f8cb3e89c81522d97f31473fdffd84e5d386e2ab2d225f
Markdown63a1012cb611c418845d33055747cc1b0045d7a5d78013658d49a7f340fa47e8
PDF
Publication pagef8bf4cd36d8456b41a968990f54fa5575e9518126b828061eddecd2ed5f12030
Manifest9aac160fb0cca6d229b03d720f6cfafd8cd13f8aa0b0f21d8ad52f7600344ca2

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
SignaturednLlAr4NnYsM34VHbrl96vFTfY4YAErq55aM5Bc9W38+bOYsVk9Oi1RZvlzXVKwo7Smtxk24pIlkudaHUEq5AQ==
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

2026-09-17T11:16:55.494485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041018
observed f8bf4cd36d8456b41a968990f54fa557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.479453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041018/manifest.json
observed 9aac160fb0cca6d229b03d720f6cfafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.464602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041018/publication.md
observed 63a1012cb611c418845d33055747cc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.449722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041018/publication.txt
observed 2f8b199c89ece15ee1f8cb3e89c81522...
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.