OpenTechnical

OT-2026-000077574

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000077574) never changes.

Identity and time

Publication numberOT-2026-000077574 · never reused
Internal UUID01a0ae95-2ece-754b-9439-253f4a61bda4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077574
StatusPUBLIC

Content hashes

Canonical textacb5c21c89a1a6b4ceb01e6bdf565fb02246f9adc5a4b56ff5e9d4d442b2fb79
Markdown7f54d73c29e014adffcdc7af2a9fd3f567505b424e6b33f8a97b77af84d30245
PDF
Publication page85ef86d8a893e0564cb3d2b50c6f1ff1adaf55812996388ee5cb2d292ff4d975
Manifest56460b07139d0b1babcb06b0ee7f70ee859d151bd53acb79c3db162fb3553d6c

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
SignaturefKz5L6MMlkA2BSw6gfGTi4JVun6vtWDlrxJZJuUZMEiMiXjLjrDyhxYV6k540QWEf6vZ/hxZB0NHk+UCaF2kCw==
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

2026-09-17T10:07:03.256976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077574
observed 85ef86d8a893e0564cb3d2b50c6f1ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.239086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077574/manifest.json
observed 56460b07139d0b1babcb06b0ee7f70ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.219848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077574/publication.md
observed 7f54d73c29e014adffcdc7af2a9fd3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.199427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077574/publication.txt
observed acb5c21c89a1a6b4ceb01e6bdf565fb0...
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.