OpenTechnical

OT-2026-000055079

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000055079) never changes.

Identity and time

Publication numberOT-2026-000055079 · never reused
Internal UUID01a0ae86-5e81-758c-adcf-062432477661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055079
StatusPUBLIC

Content hashes

Canonical textcfa9508030c6a1a7b59f67c9f4bdf0cee5421798d9ccac5e510025c13fbeba59
Markdown246b6adfc5b9ac18dd31a346665d7b9944ddd3ced56027886bc37065617611b7
PDF
Publication page37eb423c8b6ba7a54e6c88c35df0de0ef5e151a762117529b4dd4b2b397373be
Manifest9a1d6ad358288ee7a203b96ed9c14008da50fadb3f03010994f2395ae3219b62

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
SignatureQEIUfQUBpixl0HfwSB4vVmP7735FW3Ok0/bnTZEpss3bROZmoPG4p3rO67NO/jXTKGE575aMKqbU9e8AdCDSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:14.003186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055079
observed 37eb423c8b6ba7a54e6c88c35df0de0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.983744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055079/manifest.json
observed 9a1d6ad358288ee7a203b96ed9c14008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.963590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055079/publication.md
observed 246b6adfc5b9ac18dd31a346665d7b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.942597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055079/publication.txt
observed cfa9508030c6a1a7b59f67c9f4bdf0ce...
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.