OpenTechnical

OT-2026-000103960

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103960) never changes.

Identity and time

Publication numberOT-2026-000103960 · never reused
Internal UUID01a0aea5-15e8-7e3f-8ffd-73fc31c947d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103960
StatusPUBLIC

Content hashes

Canonical textd6977c052bfc734711a1bd58513f0f993937cb7d5e07196a9806e6f5fdd8f36f
Markdownc85f7642e626d2e8d21593b4305a431d364a278e4ccad82b02fe445cdee52b4d
PDF
Publication pagec078482ef84d148a4c84e9dc20b3f23dc3f4498912df7a37aba8f37475dcbd61
Manifestd061dc1a161a506c30aeb03fb927acce3879ad00db10973a3269352fac906f45

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
SignatureoDjLe3sYimsod9+Cz5sxswmk1JxJcGd0/MPCC0Yw5LPqaJ+ibg8z3nEWGTUZ520kabCGRB3dzbkIKElCbB86CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:57.820093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103960
observed c078482ef84d148a4c84e9dc20b3f23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.803633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103960/manifest.json
observed d061dc1a161a506c30aeb03fb927acce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.784893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103960/publication.md
observed c85f7642e626d2e8d21593b4305a431d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.767065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103960/publication.txt
observed d6977c052bfc734711a1bd58513f0f99...
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.