OpenTechnical

OT-2026-000041480

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000041480) never changes.

Identity and time

Publication numberOT-2026-000041480 · never reused
Internal UUID01a0ae79-b145-731a-9d72-62667966083f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041480
StatusPUBLIC

Content hashes

Canonical textfedd2c42610e90f07f7c2ae95285064d44a23636d06dc10549e3d47684b1ff7f
Markdownc01abf2680a7eff02f8a14ec794c33f2e25c284a3cbe233e6957abd97cd7a4a1
PDF
Publication page1bfa60775fbc8175f408f48b41031a54cd43b8deb049509c82fd4ce522d40145
Manifest646a23b3d1cc442ecded9573a2a5845c86345b392fe6181a6ad451eac7f4c75b

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
Signature3h7P6rm8aMIfEEvODnHaS+MmyiyxgqoVAH9qSVcF+O/m9eTn8YY1hswRvQdO94BeLZ+/OuDOUJerDYxMPK+ZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:30.729397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041480
observed 1bfa60775fbc8175f408f48b41031a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.712307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041480/manifest.json
observed 646a23b3d1cc442ecded9573a2a5845c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.694164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041480/publication.md
observed c01abf2680a7eff02f8a14ec794c33f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.676390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041480/publication.txt
observed fedd2c42610e90f07f7c2ae95285064d...
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.