OpenTechnical

OT-2026-000037873

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000037873) never changes.

Identity and time

Publication numberOT-2026-000037873 · never reused
Internal UUID01a0ae77-f889-7f34-8616-6abf2db73bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037873
StatusPUBLIC

Content hashes

Canonical text194b5b388daa9457f60f0b3060599ef76e23d3a14d05ff97498142183dfceacc
Markdown8d75c9d67f9d9c3d4dfe234811c7d19eb81cbfb71141328266efc4d9fb3f07f2
PDF
Publication pagebc2c80db94f757d861a3afb95086b8b18df3a35ac70bd2bcee8d100f89aaadb2
Manifest7b116014361d44a1e6b4965abd4e33a2dd9f4e73e3ed0586e8174a91a29725b8

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
SignatureDsm0uunh5HNFKteZiM7A+3idI20l73CxzbJI2MbVRDKJCRVhFn6M9dCr9ZnaN962LwBJ2Hmo09is1vf75xFUDw==
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

2026-09-17T11:23:08.084934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037873
observed bc2c80db94f757d861a3afb95086b8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.068465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037873/manifest.json
observed 7b116014361d44a1e6b4965abd4e33a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.052006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037873/publication.md
observed 8d75c9d67f9d9c3d4dfe234811c7d19e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.034663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037873/publication.txt
observed 194b5b388daa9457f60f0b3060599ef7...
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.