OpenTechnical

OT-2026-000017957

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017957) never changes.

Identity and time

Publication numberOT-2026-000017957 · never reused
Internal UUID01a0ae6e-96fc-7c1c-a4f2-f0012774da85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017957
StatusPUBLIC

Content hashes

Canonical textf6aade12a5d24cdd1f88c0e955b81693646289162e70dd762bd0c4e7a6eb3fbd
Markdown78ea845797360115e664555c0c44c2cbf87e165c4e8cdbd4d0fb440648956f3f
PDF
Publication pagec0bbeb11f35e1879f1dfda339228e2ccfae309a660632092232fcb3ed8c67d6c
Manifest4fa41031091a8518ebd8b863e2748b9855f1941152f87b6eef8e90ba3c5d920d

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/bGOOkBPoDY7j4M3AocRk126N6XcLwrmrjW/hU4szs294pGV8hDUjxI0+EXlzkRNqyMpfuG42apTjci08xPdAw==
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

2026-09-17T12:01:57.524701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017957
observed c0bbeb11f35e1879f1dfda339228e2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.507307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017957/manifest.json
observed 4fa41031091a8518ebd8b863e2748b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.486990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017957/publication.md
observed 78ea845797360115e664555c0c44c2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.467197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017957/publication.txt
observed f6aade12a5d24cdd1f88c0e955b81693...
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.