OpenTechnical

OT-2026-000017552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000017552) never changes.

Identity and time

Publication numberOT-2026-000017552 · never reused
Internal UUID01a0ae6e-76ca-7769-9a6b-13d5d2b63e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017552
StatusPUBLIC

Content hashes

Canonical texte70434fc515a1de9b81ab4cf4fce28a5eb0f45d2c4fc44e2984ee379091f63ad
Markdown2da9d668f3dfdc20825a80838207b520c8beeccb26469599b2b17b718951843f
PDF
Publication page02da731b5308395e08d2b3f73d29ba197ce4c8966c730261d4a4a9456250ac66
Manifestbac69fa2e9b183e2082cd7a9d9b94826cbe4f583feeb7b32275d6258db8ca477

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
Signature9tPhBKg33YpWA1Z/7ukHclseJBlqsF93K3RXvzeBV0a060A9xqYWPQ9/i+OwbSSJjb95nMt3lPzrd9mU7niXCw==
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

2026-09-17T12:02:43.118843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017552
observed 02da731b5308395e08d2b3f73d29ba19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.099917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017552/manifest.json
observed bac69fa2e9b183e2082cd7a9d9b94826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.080574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017552/publication.md
observed 2da9d668f3dfdc20825a80838207b520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.061956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017552/publication.txt
observed e70434fc515a1de9b81ab4cf4fce28a5...
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.