OpenTechnical

OT-2026-000079762

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000079762) never changes.

Identity and time

Publication numberOT-2026-000079762 · never reused
Internal UUID01a0ae96-4375-7524-b6f7-2e5ac997433f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079762
StatusPUBLIC

Content hashes

Canonical texte1399522d5c50ff4d4a896eab04ff0c3aa73069d6ca793b95ff5186ec2c84c93
Markdowncab8d4fd7cd353b435cef86ccadc14d2ca244cf13b29e88a0296873843e2a329
PDF
Publication pageb28d10a8a662f245d379cd200d5264201c317657e8239c40f51f77b1e1179ff6
Manifestdbc6721bcb30b430ecbf44eb618d4a86f5a5434163306592513b4441ebfaa455

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
SignatureAdckgLg4HLHlZQ0Mxz74y/Ziwr1ta3OBHdlT9P8w3xE4zSCU3HQ3JyoLKULzoK60Q6EPv8/KF/w7IUQbOlshCw==
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

2026-09-17T10:03:37.945657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079762
observed b28d10a8a662f245d379cd200d526420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.926597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079762/manifest.json
observed dbc6721bcb30b430ecbf44eb618d4a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.907701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079762/publication.md
observed cab8d4fd7cd353b435cef86ccadc14d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.889999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079762/publication.txt
observed e1399522d5c50ff4d4a896eab04ff0c3...
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.