OpenTechnical

OT-2026-000097981

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000097981) never changes.

Identity and time

Publication numberOT-2026-000097981 · never reused
Internal UUID01a0aea1-92f7-7e72-a9c1-40b3e47360b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097981
StatusPUBLIC

Content hashes

Canonical text09727dc08785b3fbe117742e0b08eded07df06c1a6de7ebf7664aaafb16f0cee
Markdown97cad337350291b28a8a4a24c584f83a3880eecae19077f0905fb10732cd7d4e
PDF
Publication pageee8c2a89bcf35a351e4e73fda5f1b5a0253376fc9c60b0a207b7b7f380bd9234
Manifest5a390dc5e0f544f8c781b5ba3c01056792fd1bf8876b98803a8eb0fa2ad0fa05

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
Signature1UaQbifFJNI7Ygie/ksva++yOMV+yMBOFPhTMW4d7a0XaSUBkH+rKGnLVuH0o8gfQ2bHOPq16yYDa5ZYw2NvAA==
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

2026-09-17T09:33:07.789002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097981
observed ee8c2a89bcf35a351e4e73fda5f1b5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.769126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097981/manifest.json
observed 5a390dc5e0f544f8c781b5ba3c010567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.749902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097981/publication.md
observed 97cad337350291b28a8a4a24c584f83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.731800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097981/publication.txt
observed 09727dc08785b3fbe117742e0b08eded...
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.