OpenTechnical

OT-2026-000013243

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000013243) never changes.

Identity and time

Publication numberOT-2026-000013243 · never reused
Internal UUID01a0ae6d-6fc9-7570-86c9-2e9367cd2432 · 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-2026-000013243
StatusPUBLIC

Content hashes

Canonical text1c1820b0621d0300a1d46e032acd8e5733dabdcf0b7ed1406363d99ec3c0097d
Markdown8ce2fe764c6c03d8562609d3aa2b36943669a8389a5e8bfb7515e49bd5245f4f
PDF
Publication pagec57068ccf3aa3a4677455b177ac42d19ba134307f248addf1e16f85b6356327a
Manifestd2bac7932da9408796a6033877a36da3905153febf70b66b601ac31f0427d2b6

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
SignaturenMcvli7YTDYTitZfcw2dYL5m7hzbFMaxOm+NJaux0tH5z3vlcjHSKrAG1v7tFJaal3p1aYzlTKno//aEWTTjBw==
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

2026-09-17T12:09:38.663625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013243
observed c57068ccf3aa3a4677455b177ac42d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.643665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013243/manifest.json
observed d2bac7932da9408796a6033877a36da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.626712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013243/publication.md
observed 8ce2fe764c6c03d8562609d3aa2b3694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.607552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013243/publication.txt
observed 1c1820b0621d0300a1d46e032acd8e57...
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.