OpenTechnical

OT-2026-000089417

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000089417) never changes.

Identity and time

Publication numberOT-2026-000089417 · never reused
Internal UUID01a0ae9b-db01-70cd-8ca9-7a10404713b3 · 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-2026-000089417
StatusPUBLIC

Content hashes

Canonical text1379000b6ffb5e90269bbba28f177edd371845c0a85326b4b7106be942e8d3a2
Markdownc43d41de6f89571aab2c18e628ca26f347338db289ddd555d6a74825e7ccc626
PDF
Publication page63c1215747df5dc79ca8b14bf43d0d5ab43ce91dd4b1ef4173d65144ff10adf2
Manifesta72ca079144b7d02e27381ede7e1ff8a19a653c20b9ca372c9d01ff003d52732

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
SignaturepYeCbwQGRaeoyRDMzUUUHo8/bYf94cBsSZ9bKBSr3V/elmF0k5sh/msNNjDgFErBO7BT7+o4eiOtnjZOGKf3Dg==
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

2026-09-17T09:47:33.541402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089417
observed 63c1215747df5dc79ca8b14bf43d0d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.524154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089417/manifest.json
observed a72ca079144b7d02e27381ede7e1ff8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.508272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089417/publication.md
observed c43d41de6f89571aab2c18e628ca26f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.492628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089417/publication.txt
observed 1379000b6ffb5e90269bbba28f177edd...
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.