OpenTechnical

OT-2026-000033984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000033984) never changes.

Identity and time

Publication numberOT-2026-000033984 · never reused
Internal UUID01a0ae75-df0b-7c7a-ac12-c387ae64369e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033984
StatusPUBLIC

Content hashes

Canonical text873280e3e1728a0e2d3fd186fe624011daa8feb9b03390351924a8943ebe762f
Markdown3f8dc77b11e8ecd3f8ef49a0dcdc995dd0003a0977494f3aa7115764f424c93a
PDF
Publication pagea34e4c32d1143333945bd8c3032338e76780ca76c12f4cb91f0a2a7ae7d822c2
Manifestb093d565dedbdab7596d8c89375661440aec95ababbf4f74dca194684b31bb7b

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
Signature/RDmrTOly8tZA+pVKu55JRX8x2g8ki5Bdv0iQGV2C8xqi+W13nHd4nUfs2aZ/LxgEFEU4GugHhRrzXhDrJfKAg==
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

2026-09-17T11:30:07.256452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033984
observed a34e4c32d1143333945bd8c3032338e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.237447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033984/manifest.json
observed b093d565dedbdab7596d8c8937566144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.216420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033984/publication.md
observed 3f8dc77b11e8ecd3f8ef49a0dcdc995d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.197514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033984/publication.txt
observed 873280e3e1728a0e2d3fd186fe624011...
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.