OpenTechnical

OT-2026-000077828

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000077828) never changes.

Identity and time

Publication numberOT-2026-000077828 · never reused
Internal UUID01a0ae95-2ed0-74fd-b082-dd9c2cdcf2e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077828
StatusPUBLIC

Content hashes

Canonical texte9bebd7cf92126d52ec7b7480a70d911ad1db17d70d7df1b6fb0872d3cdb64f9
Markdown6d5b87fa0a15e120db5700d25a3a2c66c9f7765dfc237bba389d9144fd062b1c
PDF
Publication pageb044a9395067ae757317f34f8c56537ff1eaf2d27e441275b5081e7cdae4fa68
Manifestfd9fefe12e824126b6554ba3bec563137402e26eac38c3e21696362964e022c7

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
Signature61IeGb1EG1BVtNoDO6UraouodJFxqr22oT6Gy2GDha4sKnDRLVZTIONlpaEeNh9DgEa0Ax50vjZXkE/leXpECg==
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

2026-09-17T10:07:25.471680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077828
observed b044a9395067ae757317f34f8c56537f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.452840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077828/manifest.json
observed fd9fefe12e824126b6554ba3bec56313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.432889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077828/publication.md
observed 6d5b87fa0a15e120db5700d25a3a2c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.414875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077828/publication.txt
observed e9bebd7cf92126d52ec7b7480a70d911...
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.