OpenTechnical

OT-2026-000074120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000074120) never changes.

Identity and time

Publication numberOT-2026-000074120 · never reused
Internal UUID01a0ae93-7177-71bb-92f1-dde77a356f6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074120
StatusPUBLIC

Content hashes

Canonical texteb40ab118199bc4985600efed1caa62101a58f670f7a2b19fef3fab2c8d47d20
Markdowne67f000f37a3083b8a2cdced90d6b19986448eb5180c31cb49253e4067dad943
PDF
Publication page3e2b693e5b8c056951b7eaff031c68ba930ab522c5818f0bfa2a6bd82b72bc98
Manifest83694ffa04a8732859d646ca2915b91a60bde2aafb9d622091cb397e2b8c6994

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
SignatureWciAsJrrZBbNPOQVVnfKZixwPngWGlRpkrTpztYMXX+pYkNbnHybzSu+6pqTB13WASgNa+N281F239jQpJT9Cw==
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

2026-09-17T10:18:57.718857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074120
observed 3e2b693e5b8c056951b7eaff031c68ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.701249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074120/manifest.json
observed 83694ffa04a8732859d646ca2915b91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.682090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074120/publication.md
observed e67f000f37a3083b8a2cdced90d6b199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.664222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074120/publication.txt
observed eb40ab118199bc4985600efed1caa621...
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.