OpenTechnical

OT-2026-000031076

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000031076) never changes.

Identity and time

Publication numberOT-2026-000031076 · never reused
Internal UUID01a0ae74-3fb8-74d6-a47b-fc069b104db2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031076
StatusPUBLIC

Content hashes

Canonical text3e631fff6f68150a82f63fe520e97ab33e4c94781079d32bdd05faece1848e96
Markdowndb61ae942e08e948cc9622306984a554cb8375e8c8e574249c1a3bfee97425d8
PDF
Publication page7d337df1a5b1cf728fad27a2544552066f791e2d18d0d6617eba31d6f3cb919b
Manifest9dd5b6d10b10a38234c750246ec2c43e0c67d5918a8ff1d76bc5259e9f1609b6

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
SignatureXc2lmdAe0O64wMRDEvBMJ58g1ft3QEkk+cxv525JBxumHVqAITxuCkA8j7ZHixX+neEPS+AzFXXTD0gpYlQzBQ==
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

2026-09-17T11:40:17.702748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076
observed 7d337df1a5b1cf728fad27a254455206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.682497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/manifest.json
observed 9dd5b6d10b10a38234c750246ec2c43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.663448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/publication.md
observed db61ae942e08e948cc9622306984a554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.645529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/publication.txt
observed 3e631fff6f68150a82f63fe520e97ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.878547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076
observed 7d337df1a5b1cf728fad27a254455206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.863028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/manifest.json
observed 9dd5b6d10b10a38234c750246ec2c43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.845467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/publication.md
observed db61ae942e08e948cc9622306984a554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.828029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031076/publication.txt
observed 3e631fff6f68150a82f63fe520e97ab3...
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.