OpenTechnical

OT-2026-000073641

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073641) never changes.

Identity and time

Publication numberOT-2026-000073641 · never reused
Internal UUID01a0ae93-2b8c-7ed1-8075-7da16f43bc62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073641
StatusPUBLIC

Content hashes

Canonical text2f67ac55c7b8b707377dcc9fff6a91ed47fca5f8413b38e977ca3806f1734244
Markdown737b70316869b68b922a03fa7241d49308a9b22e1c18f360838930a77559957c
PDF
Publication pagee16eee0b07a6c36b5f054058d4c1f0956b8d53621463e4bb85f951efc75b1e51
Manifest2634d7cf3fb772721c77a3678ae59f7eb25229f3727e53775666964838910b4f

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
SignatureFAaDgwDkNaESM9OK5Y1O3QllgnCq9kXNQvVeVAboCRQsMSkd9dqLfIjIVZR7vnIePcnA67mka1qGUTWGjidxDg==
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

2026-09-17T10:19:41.268572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073641
observed e16eee0b07a6c36b5f054058d4c1f095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.249867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073641/manifest.json
observed 2634d7cf3fb772721c77a3678ae59f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.232659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073641/publication.md
observed 737b70316869b68b922a03fa7241d493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.215849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073641/publication.txt
observed 2f67ac55c7b8b707377dcc9fff6a91ed...
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.