OpenTechnical

OT-2026-000021106

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021106) never changes.

Identity and time

Publication numberOT-2026-000021106 · never reused
Internal UUID01a0ae6f-865b-7ba9-bdaf-8fe601d1a4ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021106
StatusPUBLIC

Content hashes

Canonical text1eac01c9b9a7876ae4ce38be3f4d6d775db1148245c7b27db294d7c54ee57827
Markdown1c694dc202384aea0fcd7353159582f47a3f98ebc38efdc86d8709eb52add994
PDF
Publication page7245fca8e8340ab90dc82d6ad198536cc31769df9775601461b2a9a0a90eba93
Manifest538bafd529bb59fbc97721ef90fbb1a1754fc4f7aa4eb7d4c687fec228e56813

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
SignatureR1oxIcJCOtT6Qq5OzXEjfnmg3553w1AP5SZiTn6Z9i7Kku62i8pWnkg0gXB0QOyK5VAQOU71xP3FnN6kgk7XCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:50.705957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021106
observed 7245fca8e8340ab90dc82d6ad198536c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.689794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021106/manifest.json
observed 538bafd529bb59fbc97721ef90fbb1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.672799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021106/publication.md
observed 1c694dc202384aea0fcd7353159582f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.655649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021106/publication.txt
observed 1eac01c9b9a7876ae4ce38be3f4d6d77...
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.