OpenTechnical

OT-2026-000089071

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089071) never changes.

Identity and time

Publication numberOT-2026-000089071 · never reused
Internal UUID01a0ae9b-daff-7e5e-9bc4-cb01459a49f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089071
StatusPUBLIC

Content hashes

Canonical textfd6cbc57aa5819fa309c0ca2727cdc864ff03dd5dd0aef61a75d036276a2692f
Markdown831a6b04092e7f8633329006efaacda1c8ba4cd92da661c368626f29ba818660
PDF
Publication page8f617fd85cf9dc9ce585a0076694b809e44b81b4d6a2785afa3839897eb4ba36
Manifesta66624c2db1518207bde388931f4f53804ea37d9cce18054e8278a02a980da17

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
SignaturebYDdNCYkZ2ymRX3fj6e1lsNW12X4b7+OvATr5lautonTx1cq6AVeQBdwXzeJWjLxKuOK+9PdqQrrZYQN4/ZfBQ==
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

2026-09-17T09:46:58.363665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089071
observed 8f617fd85cf9dc9ce585a0076694b809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.347746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089071/manifest.json
observed a66624c2db1518207bde388931f4f538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.332214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089071/publication.md
observed 831a6b04092e7f8633329006efaacda1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.315984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089071/publication.txt
observed fd6cbc57aa5819fa309c0ca2727cdc86...
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.