OpenTechnical

OT-2026-000073652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000073652) never changes.

Identity and time

Publication numberOT-2026-000073652 · never reused
Internal UUID01a0ae93-2b8c-7810-94e8-ec42f1cace23 · 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-2026-000073652
StatusPUBLIC

Content hashes

Canonical text6afcc87d0581feaab74f788184655ed093fc0d407b994bf1979c151fe4a70806
Markdown9b5bb4a543fb0c1a134403a7f085a2ef872ba167a2b40f0f32f46759818ea7f0
PDF
Publication page3852de067f9dd943e2bdac867b203b45b6ff5bd73a934eda5222d7ca0b9c7b58
Manifest10f94895d51ae27e5ed542d6fe944bc1f37a4b22decb1f82a3762f06bc7c0e81

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
SignaturejDN79ECpi5fvAWlGajzrHv0l2OLlpAQCzGaiwBlZZd7PY4FxWKMEMfp28IHvtvRhWSH7K+1Xak8UsARfFUabBw==
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

2026-09-17T10:19:42.126804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073652
observed 3852de067f9dd943e2bdac867b203b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.107012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073652/manifest.json
observed 10f94895d51ae27e5ed542d6fe944bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.088752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073652/publication.md
observed 9b5bb4a543fb0c1a134403a7f085a2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.070560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073652/publication.txt
observed 6afcc87d0581feaab74f788184655ed0...
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.