OpenTechnical

OT-2026-000091113

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091113) never changes.

Identity and time

Publication numberOT-2026-000091113 · never reused
Internal UUID01a0ae9c-f16b-722d-ae27-061f77e68ad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091113
StatusPUBLIC

Content hashes

Canonical textbe64e99c9effb387fd0ee864e07d08609e8cb78beb0048a00286ae3de09f0b9d
Markdownca36076dd6b94926359011f40be16a587919764b6ddf562d3bb01641ec5b31a8
PDF
Publication paged720b3ecae0e1b474dbc3d1bc821cbc3e332a6a3af56b6b54cd5cd19424d697e
Manifest337ea10aec430a210e96547814ca335edfda314fdfede89853d0be13758dd1bb

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
SignaturekIzWsZTbsBQ3k2uupya1qWh+YDbKbbKid9dBtwuWr1DmD5Lrz7pj5lCXCns1uWV7Ft6Hdxvv90X1RYpPtW0uCw==
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

2026-09-17T09:43:15.924375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091113
observed d720b3ecae0e1b474dbc3d1bc821cbc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.905131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091113/manifest.json
observed 337ea10aec430a210e96547814ca335e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.887328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091113/publication.md
observed ca36076dd6b94926359011f40be16a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.868054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091113/publication.txt
observed be64e99c9effb387fd0ee864e07d0860...
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.