OpenTechnical

OT-2026-000073772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000073772) never changes.

Identity and time

Publication numberOT-2026-000073772 · never reused
Internal UUID01a0ae93-2b8d-75fe-a980-3f0dc9c4fe83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073772
StatusPUBLIC

Content hashes

Canonical text624d70e8fb91506b681ab41acdc44e47a37e663b1cae0a1f8573e930c7430626
Markdown2fc06445f1a383c67beb79af25f47bc19d1c176d83145e49c758edbf7a31dffa
PDF
Publication page5a36c2c70d4fc42cbb1afc313ff3049beff0b2478f9ac44966cd222cb3315716
Manifestbb07b9d950c10b7053034be17166aef847b5f882653bd5757dca0adc765c04c7

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
Signaturep3cleDzsS1xrHG++ggoQHd78zYvNhEqrHj6zsye67s0a7TC8hP5TS6cxTlHUDL7pGHvUxvMLWhJJK8ks91a5CQ==
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

2026-09-17T10:19:52.291101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073772
observed 5a36c2c70d4fc42cbb1afc313ff3049b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.272477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073772/manifest.json
observed bb07b9d950c10b7053034be17166aef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.252620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073772/publication.md
observed 2fc06445f1a383c67beb79af25f47bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.236190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073772/publication.txt
observed 624d70e8fb91506b681ab41acdc44e47...
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.