OpenTechnical

OT-2026-000084719

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000084719) never changes.

Identity and time

Publication numberOT-2026-000084719 · never reused
Internal UUID01a0ae98-e25d-7cf4-8a93-9eb78130713c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084719
StatusPUBLIC

Content hashes

Canonical text19e7ccde44a3c7771fec57c9c1073632c5d24a28246e3037f6de326473a79bf4
Markdowna26017ad67e707566b023e803bf99f7abe9b0697259ebb18e8673b541d51dbac
PDF
Publication paged412533af03f2b72931078617271c47331ff4ccb7fcce6f9fa3f93b066951556
Manifest636812139c85f22d33752bdf0fba370440e0e0b940caf4693ffc81402c3d5378

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
SignaturexJ+Crx6mh0kj498tOGTifp4g7YR6HP8k1rfssKKi50OAKzy2uCz4jSSRCh3CqGId5AqkgjwAMz59GRxItqjNCw==
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

2026-09-17T09:55:39.470422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084719
observed d412533af03f2b72931078617271c473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.453151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084719/manifest.json
observed 636812139c85f22d33752bdf0fba3704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.435807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084719/publication.md
observed a26017ad67e707566b023e803bf99f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.418527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084719/publication.txt
observed 19e7ccde44a3c7771fec57c9c1073632...
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.