OpenTechnical

OT-2026-000080257

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080257) never changes.

Identity and time

Publication numberOT-2026-000080257 · never reused
Internal UUID01a0ae96-7e77-75b8-a257-de2b51ff4913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080257
StatusPUBLIC

Content hashes

Canonical text71f896c1a15cce65d58f9f0ccf629fb569d248444647366085497e38b9ad9ffa
Markdownfa4281144c8cc716e2c412616800262ded51f9e251956b756f3376daf4d3469e
PDF
Publication pagee096708055d35e018d731809bc831141546e8c6c515776913df31738e3bfc04c
Manifestce083f40744f712faa9825d58434b2ef106a633fd6098dc8fb035dd31ca595b8

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
SignatureO5Ci8gLLANkhwEDDBuA5mxl5GuBujepxTX60Ut+Cwl2NouFBIJuhrVehA2smeqBFmgJ1hoQduttxRZ96pC+6Bw==
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

2026-09-17T10:02:33.688808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080257
observed e096708055d35e018d731809bc831141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.670745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080257/manifest.json
observed ce083f40744f712faa9825d58434b2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.621001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080257/publication.md
observed fa4281144c8cc716e2c412616800262d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.435125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080257/publication.txt
observed 71f896c1a15cce65d58f9f0ccf629fb5...
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.