OpenTechnical

OT-2026-000017613

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000017613) never changes.

Identity and time

Publication numberOT-2026-000017613 · never reused
Internal UUID01a0ae6e-96f9-779c-ac81-a6c36287139e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017613
StatusPUBLIC

Content hashes

Canonical textc08fb4b18ee1e42299ae48a0eed4b5724e91be04a02282f44884e151a87ff7a6
Markdown4370177bad29b3736e5286f7fd17865e29142c50b4c0ddd3b4679eed125aacf2
PDF
Publication page7c9bb618eee05c310eba563aeb0cceafa8e5a2c528749aa382e421df13cdeabc
Manifest440627ef8dd51d745ceed69e5a1582fcded5b3f7137c8adb7cc308a2e9922174

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
SignatureEOvHw2SKyqsX/pdnbyjnmAaYQo10xn3CFKdbx8lJEOLYm44tSTmRwwW7dbKW1iv2xgvu0phfW4gi+1ql3fxSCw==
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

2026-09-17T12:01:25.243714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017613
observed 7c9bb618eee05c310eba563aeb0cceaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.226900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017613/manifest.json
observed 440627ef8dd51d745ceed69e5a1582fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.209873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017613/publication.md
observed 4370177bad29b3736e5286f7fd17865e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.192301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017613/publication.txt
observed c08fb4b18ee1e42299ae48a0eed4b572...
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.