OpenTechnical

OT-2026-000028918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000028918) never changes.

Identity and time

Publication numberOT-2026-000028918 · never reused
Internal UUID01a0ae73-2a9d-7a4f-b43b-6351b71dfd63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028918
StatusPUBLIC

Content hashes

Canonical text3e9031e77cc2f3eff8c86b6382dbdf0d66dfb4d86d2a05e01e780bb42f06eeb8
Markdown074b661cabbc62d977ce7ce4daaf1a934a22c74ba90e666c761f485bdfd1877d
PDF
Publication paged9ba6b1ceabbca09090d2681d3f9958c69c30f15e7e8fb64da92398cf9c5fd0f
Manifeste3a8f609a94510887f6c69162aec73fcaa384c35db62f27cb25337f3787ff2fd

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
Signature51D5oKAZAj9+JRu0vviGL6KxaYMx2xFdOWIDziOqup2jEWTGwgGnm/xreLq3gqOizVgVNaPfjO+3KRf/ffsvDg==
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

2026-09-17T08:20:20.207420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028918
observed d9ba6b1ceabbca09090d2681d3f9958c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:20.190323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028918/manifest.json
observed e3a8f609a94510887f6c69162aec73fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:20.048822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028918/publication.md
observed 074b661cabbc62d977ce7ce4daaf1a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:20.031611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028918/publication.txt
observed 3e9031e77cc2f3eff8c86b6382dbdf0d...
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.