OpenTechnical

OT-2026-000085174

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000085174) never changes.

Identity and time

Publication numberOT-2026-000085174 · never reused
Internal UUID01a0ae99-43b9-72c5-8560-976c7de3ea9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085174
StatusPUBLIC

Content hashes

Canonical text479f83e24468ee207f9776ebe9559e525c1995036e575c4ce136c3d619b00ca9
Markdown92816beeae0e7fff823e06bd6fc8b3541323bc718fdb6e1924412622bdcb5dcb
PDF
Publication page70502304375fc3e44f73c26c89254a6f1274689ffe344cbd579db3eb6fee2e52
Manifest51eaf22601919909cf6bafe121a2f268d8f46fd07ce3a409e81d2255f96e0ab7

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
SignatureQbsFecSReKybJIozXHLmaaKATHKWJf1sR5euR/neJCswFLAedyHIb1j28CFmbYut5Ho+KVRpNvjHDFXNakyWAg==
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

2026-10-15T12:41:14.212506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174
observed 70502304375fc3e44f73c26c89254a6f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:14.132141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/manifest.json
observed 51eaf22601919909cf6bafe121a2f268...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:14.081622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/publication.md
observed 92816beeae0e7fff823e06bd6fc8b354...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:14.031241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/publication.txt
observed 479f83e24468ee207f9776ebe9559e52...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T16:41:49.906436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174
observed 70502304375fc3e44f73c26c89254a6f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T16:41:49.767002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/manifest.json
observed 51eaf22601919909cf6bafe121a2f268...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T16:41:49.685729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/publication.md
observed 92816beeae0e7fff823e06bd6fc8b354...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T16:41:49.583141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085174/publication.txt
observed 479f83e24468ee207f9776ebe9559e52...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent