OpenTechnical

OT-2026-000036452

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000036452) never changes.

Identity and time

Publication numberOT-2026-000036452 · never reused
Internal UUID01a0ae77-01d1-7744-98d4-f422aa05edba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036452
StatusPUBLIC

Content hashes

Canonical texta9be7dd85639239767946fb8abbc0bba431825e1cd63ce25cda55145de7232ef
Markdown3dc74a97559f4448ce06ff6a0081b7c866adc47c27318ac4e73e6741f87f6fe7
PDF
Publication page6b733d5bd8d48b2b99e3eba0b959e3e92dd129ca9a40dda6799d953b65d0bce7
Manifest55a7f596b6e4ff5e2f62558a440330a7791fe1cc3e8a0082af010e86ec49bba1

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
Signature5rogGv4Npj1Xgj0wTujQlnqu/AUHdiRel6ZlUKe5sE1It8OYYrmuYPkXqnMyXqxRtnvdngtG03Ehu0GvMNuRBw==
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

2026-09-17T11:26:51.124707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036452
observed 6b733d5bd8d48b2b99e3eba0b959e3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.109548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036452/manifest.json
observed 55a7f596b6e4ff5e2f62558a440330a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.093162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036452/publication.md
observed 3dc74a97559f4448ce06ff6a0081b7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.076556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036452/publication.txt
observed a9be7dd85639239767946fb8abbc0bba...
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.