OpenTechnical

OT-2026-000070316

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000070316) never changes.

Identity and time

Publication numberOT-2026-000070316 · never reused
Internal UUID01a0ae91-545e-7c8f-b5b8-7bf7f823a56d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070316
StatusPUBLIC

Content hashes

Canonical text86554b4f4ce332fb7fa05d127a6c67371c4ffef25cafc4b5fa272e810a537e0e
Markdown24de3b05a9bddce584d064101c612e0f41fd2cdd364ed9ee79827965c30faa7c
PDF
Publication page4ef9002ee13f565983327c6ec12f7e4ded696c3e0f2c6be16fd03a9c28e10a4e
Manifest64cb5a1af4d7f0c9944bc4770bff896c3b02c844e364ca30a4889151d2021e2c

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
SignatureAyYcTYIuD2ygLyqmBmy6HjcwpljHqoEP8hrSse231SOL+JE+CWtacVOZiavLx28e9mOu/KCSpXldeouCREA5DQ==
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

2026-09-17T10:26:06.348308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070316
observed 4ef9002ee13f565983327c6ec12f7e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.331755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070316/manifest.json
observed 64cb5a1af4d7f0c9944bc4770bff896c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.314418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070316/publication.md
observed 24de3b05a9bddce584d064101c612e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.297832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070316/publication.txt
observed 86554b4f4ce332fb7fa05d127a6c6737...
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.