OpenTechnical

OT-2026-000074894

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000074894) never changes.

Identity and time

Publication numberOT-2026-000074894 · never reused
Internal UUID01a0ae93-ac2c-7d4a-bdbd-75ae957be920 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074894
StatusPUBLIC

Content hashes

Canonical text898700b24b47857cc9c5b71c0894f3d007b1749f1da2613e2562bf676a576469
Markdowna2f3578c6af9b9656a5924efc10dba4867a9465cc16651acf7a67493df189b47
PDF
Publication page3a444b0a4fa7a7e5ead4c019d28e4ea36e2292ff307223d0c91aa406fe246a9c
Manifest66b539e7b41028a9d93a1b601cac291231ea8591cee441fc57ab4e577875b122

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
Signaturek6LAnrWW9WXnWrQxAcEL8+O/UP1GS30WhkKBRr0ZLsdZFS4fjdOiHHFPv7zJ42mCRAj9JUI9xaWiECtlU+sTBg==
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

2026-09-17T10:18:36.952184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074894
observed 3a444b0a4fa7a7e5ead4c019d28e4ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.936072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074894/manifest.json
observed 66b539e7b41028a9d93a1b601cac2912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.918387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074894/publication.md
observed a2f3578c6af9b9656a5924efc10dba48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.901114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074894/publication.txt
observed 898700b24b47857cc9c5b71c0894f3d0...
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.