OpenTechnical

OT-2026-000069526

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069526) never changes.

Identity and time

Publication numberOT-2026-000069526 · never reused
Internal UUID01a0ae90-b52b-7bfa-9d23-5a429ec5ab67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069526
StatusPUBLIC

Content hashes

Canonical texta12c433bbf17e80b1affa43fd35751f83a6ec9f07d2369d0e37c9e50557c06f1
Markdown590ec0bb21b8697b0379193d5e5ae06e999598c07d249882874bedbb3dfd6c1d
PDF
Publication page4e9abdece739f1c24bc8cd9c752387a0cbb0461911930555a3ced630fc909a08
Manifest4287ed515b4107f38c45fcc23340f73c044dc8e94e5b4b184dc20719933256e0

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
SignatureuDdxS+6xutCsN+cmUUcCm9VBE8nAsIFfY9v7zvW1fcOmiMfeAI0NSNziTtCZCYwmUEKO9VW5+Ea5s9F9/3IgBw==
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

2026-09-17T10:30:37.264725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526
observed 4e9abdece739f1c24bc8cd9c752387a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.244371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/manifest.json
observed 4287ed515b4107f38c45fcc23340f73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.224467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/publication.md
observed 590ec0bb21b8697b0379193d5e5ae06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.206662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/publication.txt
observed a12c433bbf17e80b1affa43fd35751f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.335470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526
observed 4e9abdece739f1c24bc8cd9c752387a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.317831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/manifest.json
observed 4287ed515b4107f38c45fcc23340f73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.300885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/publication.md
observed 590ec0bb21b8697b0379193d5e5ae06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.283522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069526/publication.txt
observed a12c433bbf17e80b1affa43fd35751f8...
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.