OpenTechnical

OT-2026-000103665

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000103665) never changes.

Identity and time

Publication numberOT-2026-000103665 · never reused
Internal UUID01a0aea4-e462-7d4e-a3aa-b27dbb75f4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103665
StatusPUBLIC

Content hashes

Canonical text70495e1724d06d380278bbe893b05784846e02175f10f01614c677843efa49f5
Markdown63f021525fef3a0e1343a2691233fa5aa18279fe2e285581697a4ce070fa7524
PDF
Publication pagefd5771011cb181855c178bdf8eeb76809f4fd0758732525c880fabc3b40271bc
Manifest50dbb3edd10fba0991f6e25b705f35e54112261998da0fc9b727e21a4314e244

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
Signatureyajz4to0mtTmcjoshhhs7PCMJbn9azmcaAq5/lJTIKNMC9gyL1TTZUD95+eqPj1+MuYqm95WLoyHdaTGXt73AQ==
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

2026-09-17T09:22:27.949139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103665
observed fd5771011cb181855c178bdf8eeb7680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.932985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103665/manifest.json
observed 50dbb3edd10fba0991f6e25b705f35e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.915683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103665/publication.md
observed 63f021525fef3a0e1343a2691233fa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.898141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103665/publication.txt
observed 70495e1724d06d380278bbe893b05784...
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.