OpenTechnical

OT-2026-000008899

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000008899) never changes.

Identity and time

Publication numberOT-2026-000008899 · never reused
Internal UUID01a0ae6b-31b7-7dbe-a953-6c92c0462bc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008899
StatusPUBLIC

Content hashes

Canonical textbd79c980a751a6b586edf173c6dfb4bee7e90db8637cf6a386abe1074c3bbd5f
Markdown07cba62bb781cdb03bec849efbe541f54d20e9b404c61f0d5544fc609c5271bd
PDF
Publication page817a428cd1f0d1d16778518a46241f73fb3331d77a4d2fa6d71b3026356fb6a9
Manifest761d5712578833da6c61e1d4dbac49956aee0f6c0ea0567aed9db91abbd326bb

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
Signature6HtqU6CvY9+OQO0NUEsZYky69GcIsaUNfJdBE0bxvSHUkkIAw9qSExQ9mrwmSRf0K5UL9KzJkuRhcIWiDdaeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:29.983422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008899
observed 817a428cd1f0d1d16778518a46241f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.943801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008899/manifest.json
observed 761d5712578833da6c61e1d4dbac4995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.925773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008899/publication.md
observed 07cba62bb781cdb03bec849efbe541f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.883218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008899/publication.txt
observed bd79c980a751a6b586edf173c6dfb4be...
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.