OpenTechnical

OT-2026-000015125

Publication integrity record

Single cup vacuum gripper, 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-2026-000015125) never changes.

Identity and time

Publication numberOT-2026-000015125 · never reused
Internal UUID01a0ae6d-ef47-7b7b-85f1-14b985b9dede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015125
StatusPUBLIC

Content hashes

Canonical textf88fa999f5dd4d43ad41df77c571c990a9250c8f4286e9b6f7d38881032fc369
Markdown5fd2ed678acf9602c715c39e23014a1f2ce6902eef8f051b128430d96c2b4200
PDF
Publication pagece2deb512b7f947a08a935c83f965613d8f89505c4ebc443959ef5d7f2625771
Manifestd6404cfce1964eabfb4275c37058fdec0ce16457e759d879dc16c35b78f0cd48

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
SignatureEhhd/WIzBacn8pE2yiOPaniNiAvsueHiKplwGDojw/s8+Jr6Q1F8vyRNZSq8zkTrlc2eLD50bC54K1hzeLCLCQ==
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

2026-09-17T12:05:43.281271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015125
observed ce2deb512b7f947a08a935c83f965613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.261974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015125/manifest.json
observed d6404cfce1964eabfb4275c37058fdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.243209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015125/publication.md
observed 5fd2ed678acf9602c715c39e23014a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.221911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015125/publication.txt
observed f88fa999f5dd4d43ad41df77c571c990...
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.