OpenTechnical

OT-2026-000084957

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000084957) never changes.

Identity and time

Publication numberOT-2026-000084957 · never reused
Internal UUID01a0ae99-43b7-7db3-b097-374b74b870eb · 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-2026-000084957
StatusPUBLIC

Content hashes

Canonical textc3413e6cfdfb8b3ce15e7df908d5f9891a188bfd7bc8864bd50238d5838e23ea
Markdowneead406e933ddfa4cf1a052ac6b7cb97f6c18899944b351f2fce0c8ec049ad4a
PDF
Publication page25ce1f18211a9105c7b88dd5c96a8c919866310941656f4b9b991f882f116cff
Manifestd7b25b70fb4d20ee455f0f96799e4d3bc8e70000dfe115d5ab43d31c93e04d49

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
SignatureCefCY2/y3w7/a0fe67p2fZ8qiuRaPenztmnmMSzxHEAcH38eed8xrcHwzteiWeGd4nd0PJ5wIuS6Qs0XMR0nAQ==
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

2026-09-17T09:54:57.091084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084957
observed 25ce1f18211a9105c7b88dd5c96a8c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.072145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084957/manifest.json
observed d7b25b70fb4d20ee455f0f96799e4d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.056016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084957/publication.md
observed eead406e933ddfa4cf1a052ac6b7cb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.039330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084957/publication.txt
observed c3413e6cfdfb8b3ce15e7df908d5f989...
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.