OpenTechnical

OT-2026-000072286

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000072286) never changes.

Identity and time

Publication numberOT-2026-000072286 · never reused
Internal UUID01a0ae92-47c3-7503-8010-77f258be4da4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072286
StatusPUBLIC

Content hashes

Canonical text6be0c35be15fd46f59c399579951613fd43bba0f4ebe975207e6f8ef96f972a7
Markdown43d351f3ec785bdfb4fdc2d1f32caa880460ad0a33630db4d30cb7a1f3375370
PDF
Publication page6d12670430f1c3106ec868d40096c0602e3335906bc250fcb6090ba513397413
Manifest2f2c3d49e8abbe4cd3feda42663dd27add5aa8d4eff3e7e1d5c08865a136d36f

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
SignaturemWo/b7Honnw88aQ9TGcWGZEi3/Xe1hLILQNP5R1e9rNp3d0vJTWatQJpBRwssf821FaumW8LlfjDJxWVoxIcBA==
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

2026-09-17T10:23:24.137202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072286
observed 6d12670430f1c3106ec868d40096c060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.120122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072286/manifest.json
observed 2f2c3d49e8abbe4cd3feda42663dd27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.103619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072286/publication.md
observed 43d351f3ec785bdfb4fdc2d1f32caa88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.087213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072286/publication.txt
observed 6be0c35be15fd46f59c399579951613f...
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.