OpenTechnical

OT-2026-000086508

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086508) never changes.

Identity and time

Publication numberOT-2026-000086508 · never reused
Internal UUID01a0ae9a-2c97-7635-b909-8c396aef36b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086508
StatusPUBLIC

Content hashes

Canonical text09f5189708c701c1491bdcf7d0d8daf730c8b8303dbe3c9ea821e9b082ec0961
Markdown180edd382e33674b1d6ca045762f49f29fe0c9c9fcb6e58253957f2f48b610a6
PDF
Publication pagefa111ab8c0e234b1cdae606634c4955b3262adeb501602c13a080d9e38f15d20
Manifest6f6c21c157415d74090c680d6e859666fcc50b147207ab68d458580476644c28

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
SignatureZzhixpwFwHUuKkiTzN3mkI6+dLxfjdSuo+CR0H84pgnQl6JzrfhnI57wLp3pighK6bV8lq3GCnEliz7qmfgqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:19.641657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086508
observed fa111ab8c0e234b1cdae606634c4955b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.624992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086508/manifest.json
observed 6f6c21c157415d74090c680d6e859666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.608663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086508/publication.md
observed 180edd382e33674b1d6ca045762f49f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.592220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086508/publication.txt
observed 09f5189708c701c1491bdcf7d0d8daf7...
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.