OpenTechnical

OT-2026-000069442

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000069442) never changes.

Identity and time

Publication numberOT-2026-000069442 · never reused
Internal UUID01a0ae90-b52a-7ecd-957e-8db5f15842a9 · 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-2026-000069442
StatusPUBLIC

Content hashes

Canonical text5eebcff2d91b421b3ec0a1e224de78aa63089b7181898929540ece701f9b41f3
Markdowne7fd9650e764c7961c9da5f36e6ef6e2117ea2abeb1ae74f4a3490dce84cedcf
PDF
Publication page17baa16d20d866fd79d1364972edc2970e2a9b08a4548c078285487426c9d9b3
Manifest221e74b5b6a289d777a4d7ff9befaeb3f2658f3b541f9389f9e8aba6114a7317

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
SignatureCfiHhVQyiJmlUuWbiFLFaCKBiZep321w23MuY66wZ9C9wbngoo3LDoJ5PvbxJrN72e7UONEN6DJhPqh58EJQAw==
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

2026-09-17T10:30:30.678321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442
observed 17baa16d20d866fd79d1364972edc297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.661914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/manifest.json
observed 221e74b5b6a289d777a4d7ff9befaeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.644131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/publication.md
observed e7fd9650e764c7961c9da5f36e6ef6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.625261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/publication.txt
observed 5eebcff2d91b421b3ec0a1e224de78aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.612931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442
observed 17baa16d20d866fd79d1364972edc297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.595961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/manifest.json
observed 221e74b5b6a289d777a4d7ff9befaeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.577757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/publication.md
observed e7fd9650e764c7961c9da5f36e6ef6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.560641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069442/publication.txt
observed 5eebcff2d91b421b3ec0a1e224de78aa...
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.