OpenTechnical

OT-2026-000089715

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000089715) never changes.

Identity and time

Publication numberOT-2026-000089715 · never reused
Internal UUID01a0ae9c-1a22-7a55-87a6-c8b9aa6a6015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089715
StatusPUBLIC

Content hashes

Canonical text44c0d6ceb541a2e9eb639a06b73fe5e0e8c6c8ed4976f2a2679788f466763785
Markdown4728e9cc6ccadd19be542425a7ed9665f3c456cd61906ec73ca1bbf64bf1d866
PDF
Publication page476db802a4429dd489b365fb2d147e0b55a807bbdf1389c70e1a6ddc82812b67
Manifest46da6a0c72eb1cd0e55b13e5e5dedad28274608323de8d660fb8de2fbe97dde9

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
Signaturex6oPJVw9FBq5ooX+WZwktssrB+BDo3PMBp4oNqI9Chxc9zO1FLJjOV9SICUYAIXP8rtQXtq0kETytWfDoy+9Ag==
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

2026-09-17T09:46:43.138608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089715
observed 476db802a4429dd489b365fb2d147e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.120761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089715/manifest.json
observed 46da6a0c72eb1cd0e55b13e5e5dedad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.098717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089715/publication.md
observed 4728e9cc6ccadd19be542425a7ed9665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.081048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089715/publication.txt
observed 44c0d6ceb541a2e9eb639a06b73fe5e0...
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.