OpenTechnical

OT-2026-000071312

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000071312) never changes.

Identity and time

Publication numberOT-2026-000071312 · never reused
Internal UUID01a0ae91-e0ec-7f1f-92e2-4f6e820750fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071312
StatusPUBLIC

Content hashes

Canonical textdae3b47afae510f8a3ac214679496c08649473839ef26670f5928362ba16df5c
Markdown15ff153ed44d5d72ac0d411f45190c8fc36e0b3f2bf4a8bb07787074a1d495f6
PDF
Publication page79e4738babbe8e839e846831d5fc8f620c29815b6cc8e4a33955b1b253a0444a
Manifest5487d8bd7ee1c62cca3f32218c651550829ce8db51c85bf4818d785610e22d2d

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
Signatureb4q0/RaC6Lgb87vYg1OcV911PGKpT+E+6JE86xyWNds/QAsTPs92LaMKhzTCuplyqUhsgIYwcVQuLeGXhTcbDw==
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

2026-09-17T10:24:53.978048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071312
observed 79e4738babbe8e839e846831d5fc8f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.959071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071312/manifest.json
observed 5487d8bd7ee1c62cca3f32218c651550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.940946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071312/publication.md
observed 15ff153ed44d5d72ac0d411f45190c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.922974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071312/publication.txt
observed dae3b47afae510f8a3ac214679496c08...
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.