OpenTechnical

OT-2026-000072249

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072249) never changes.

Identity and time

Publication numberOT-2026-000072249 · never reused
Internal UUID01a0ae92-47c2-7bee-b4a8-8de9fecc2122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072249
StatusPUBLIC

Content hashes

Canonical text67d5dbab0c4638b629b61c7ceefb28a021dc41516041d8a725b09e2be1f65354
Markdown84242d84c8d51c417fd1eccd0025e7f79b4ca1664385ccdfdcb4227bc3155acc
PDF
Publication page3dab6ea919c2aeac920581d3ae9c6b8694e844c3f3140e23679ed3951f7629cb
Manifestf59d72ac3b4789ea32442045a1cda4d88d188952523a448c2b90b845dee0e94f

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
Signature0ZafKgjWgpGJxocbGP/G0jWsarglUuraBBzmXVHpjKwtEBNXneDgJKBEEmTFFx0/2YnWiRlawWIQU/wsesAkCw==
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

2026-09-17T10:23:21.479111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072249
observed 3dab6ea919c2aeac920581d3ae9c6b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.461680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072249/manifest.json
observed f59d72ac3b4789ea32442045a1cda4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.443789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072249/publication.md
observed 84242d84c8d51c417fd1eccd0025e7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.426098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072249/publication.txt
observed 67d5dbab0c4638b629b61c7ceefb28a0...
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.