OpenTechnical

OT-2026-000013139

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000013139) never changes.

Identity and time

Publication numberOT-2026-000013139 · never reused
Internal UUID01a0ae6d-6fc8-7fa8-b843-3f02fac21f2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013139
StatusPUBLIC

Content hashes

Canonical text66e1bb3daff81241312f834a957179bc8ce17f160ed6de7ba700d9d1adebfe52
Markdownca8b86d7271265980bc8f7072316959635a2da00ac7eb2fbb27bccbc5d240619
PDF
Publication paged4f4f11499cca7ffaa37017b1993f596f3f151cf27bfe82131ee2aafc661c12c
Manifest8df51339e094612bc9bac2a2c1dd29de75f457a7a02356edc03fe3be1842eabc

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
SignaturebKiBQFd2QG0gvTCjW+l6AC7WYBMjjt1Wk1FlGFhDk19TRw+sRMy47WZw8LXw0KhNeLxFFenQOAvm0apZmLNBDg==
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

2026-09-17T12:09:21.869692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013139
observed d4f4f11499cca7ffaa37017b1993f596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.797206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013139/manifest.json
observed 8df51339e094612bc9bac2a2c1dd29de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.778097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013139/publication.md
observed ca8b86d7271265980bc8f70723169596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.699648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013139/publication.txt
observed 66e1bb3daff81241312f834a957179bc...
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.