OpenTechnical

OT-2026-000099533

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000099533) never changes.

Identity and time

Publication numberOT-2026-000099533 · never reused
Internal UUID01a0aea2-c975-7c98-aa87-3ee30450bbe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099533
StatusPUBLIC

Content hashes

Canonical text7b4d9044f12703c61841589e0194bfd5b8252e8aa0e2f4fcc13aef08244b85b1
Markdown3aa18d2b8cbedf73757676e96f4d588a131525e6595716b355c5ff6cf95e3012
PDF
Publication pageb8e984fec6bb6f4f1195e13209d675c716132acd5c9a7e11e947166ba138ac31
Manifesteb40bcd0a8752e5a236e5e50ff9d4d1b3663ee6cf74bf9dc98d008b94df50d38

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
Signature7Jm2imYr4vHcYSe4FaP/DSNjdJ9/+rjItadr86kBYRlTc0h1iQl9FFxBMx49xWkrEKY1/YmcGvMP3gWFrR/sCw==
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

2026-09-17T09:29:26.111836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099533
observed b8e984fec6bb6f4f1195e13209d675c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.095004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099533/manifest.json
observed eb40bcd0a8752e5a236e5e50ff9d4d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.077298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099533/publication.md
observed 3aa18d2b8cbedf73757676e96f4d588a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.058496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099533/publication.txt
observed 7b4d9044f12703c61841589e0194bfd5...
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.