OpenTechnical

OT-2026-000035759

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000035759) never changes.

Identity and time

Publication numberOT-2026-000035759 · never reused
Internal UUID01a0ae76-b4c8-7553-b1b4-b2675eda86a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035759
StatusPUBLIC

Content hashes

Canonical text514ec078bd38c74d39e84f063315ac00ce479542c11f983f5832631add7f8003
Markdown004c394a963256ebd8d5a92d3113fd681e8d3dddc2e8d04f140cd9165660cfb0
PDF
Publication page630f1005a3a773c6d9dece2a3c0dccc85010646e5f2565294e037770bc5b4697
Manifest744d4877f945694437f3532f31a9d0a499e22355522337c19530c65bb8e1eb25

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
SignaturewpHpz1mO9yQVIMBKm2kYPcENTCJ1BmDxDiKIO4nLH9AVUGVAsUqBc00u3zI54GIbkTfPTVoXEViiSghmNOjxDQ==
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

2026-09-17T08:41:25.748843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035759
observed 630f1005a3a773c6d9dece2a3c0dccc8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:25.576518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035759/manifest.json
observed 744d4877f945694437f3532f31a9d0a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:25.277271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035759/publication.md
observed 004c394a963256ebd8d5a92d3113fd68...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:24.995986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035759/publication.txt
observed 514ec078bd38c74d39e84f063315ac00...
fetched by grabo-systems from 34.44.131.203, 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.