OpenTechnical

OT-2026-000097798

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000097798) never changes.

Identity and time

Publication numberOT-2026-000097798 · never reused
Internal UUID01a0aea1-92f6-7307-b05b-ecf9bed3cab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097798
StatusPUBLIC

Content hashes

Canonical text8b4548580260cffd6aaf2d5f3dd62d68e29fbcacc71b906cfc7475070a400560
Markdown651092be7de6e737fa8d6d51e4b79ad24a64047714cc9f3c2523bd444ccd6e73
PDF
Publication page92c7d69ec0fef86429ae5247fdcb8fe5734b40fa4fc757cc19369eb3bdfdbd4d
Manifest7d8555cc21ce881e3356bafb2586ab7b64b354d878f216d480ce3ef0f5b30a52

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
SignaturecFulXmbGwBdtRZ6b7XQp2Iq0Z6u6xWQiQ536iJXjICI2nglj/o/kBCde/04Dcde/aNiPGOp8Sia3iwSt/c10Ag==
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

2026-09-17T09:32:52.944506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097798
observed 92c7d69ec0fef86429ae5247fdcb8fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.924965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097798/manifest.json
observed 7d8555cc21ce881e3356bafb2586ab7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.907052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097798/publication.md
observed 651092be7de6e737fa8d6d51e4b79ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.889938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097798/publication.txt
observed 8b4548580260cffd6aaf2d5f3dd62d68...
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.