OpenTechnical

OT-2026-000076934

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076934) never changes.

Identity and time

Publication numberOT-2026-000076934 · never reused
Internal UUID01a0ae94-b071-77ba-8eda-245a4e1886f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076934
StatusPUBLIC

Content hashes

Canonical text6799c8f8fa6ca8e9a83274d7ea8d5a2e3f31a1a4e27fa6e0c1a097f86be69fad
Markdownbaaff32fe819eadb9afdcce6907e0abb9426d8b9ef2bb1f5096c19fe4fa1c092
PDF
Publication pageb803dacb6157cb97a568140165e3d9fb64c696d315fd6edb8cde8628876a52cc
Manifestd7963072d4cb8018d99b843dc11bbc946bd477bc79a29b973d39b9073a9cccf8

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
Signaturec2kyrxlf4mv5O/uDQ6/EK4FNTEB4vks3JLoqZBqN1omYGEoIYcMjqwSZ4oinzGr0y813gB38gxFwImedvRapBg==
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

2026-09-17T10:09:54.528348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076934
observed b803dacb6157cb97a568140165e3d9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.509991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076934/manifest.json
observed d7963072d4cb8018d99b843dc11bbc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.492489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076934/publication.md
observed baaff32fe819eadb9afdcce6907e0abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.472839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076934/publication.txt
observed 6799c8f8fa6ca8e9a83274d7ea8d5a2e...
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.