OpenTechnical

OT-2026-000039881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039881) never changes.

Identity and time

Publication numberOT-2026-000039881 · never reused
Internal UUID01a0ae78-d8d6-7cf2-a8e2-6410eacf2dc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039881
StatusPUBLIC

Content hashes

Canonical text42b5deab9987c6622854bd816fdfe3cd3bfa2320662a840604748f54e8b93bba
Markdown094c33b7eaab3cda37944a4181e274c4a7c4da9d17d01df64428ebc248188eca
PDF
Publication page5a537e04658da3c526ac9cca6a69669a9ca8463553193d103e1c12def524eaf1
Manifesta7c2d6b33785c3857424e9ef48013b177746dc388d89b3e948c04cb88b8d2341

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
SignaturenQVp+DU8Ho/PS1vbmk62EINGVNX/qSNw11ZC/mTuKQ5v1OvffD55EUKNL8/on6hl7/3MlXBr9XkyZEz0NxXVAg==
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

2026-09-17T11:20:09.908604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039881
observed 5a537e04658da3c526ac9cca6a69669a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.889192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039881/manifest.json
observed a7c2d6b33785c3857424e9ef48013b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.872141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039881/publication.md
observed 094c33b7eaab3cda37944a4181e274c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.853973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039881/publication.txt
observed 42b5deab9987c6622854bd816fdfe3cd...
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.