OpenTechnical

OT-2026-000012219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000012219) never changes.

Identity and time

Publication numberOT-2026-000012219 · never reused
Internal UUID01a0ae6d-39f5-747d-afb6-39eabd5d0869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012219
StatusPUBLIC

Content hashes

Canonical text0a17fa5b5506df47080d569091d4d9028784bd3ea9b6ad7ef89c1226ac037d90
Markdown983a73fd0c724a12fb288fe0f5b8f04dfd75b9cb26386943dbdb718846181931
PDF
Publication page699ea96ec563f1ae2d01910655490ba7f5f25e61c6af735fa6cf8c12d7170c47
Manifest82a11b2766782a1ab3fe92beaa24123c0a33f632d1d2c20092a9d3b416c0313c

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
SignatureTCHGgb6f+593lYLeKaLm9BC0wOiGqn1OHavVwxFEou8NdLoAmaGpzQG2dBJU7YHa1HYPQReZ79IA9hWc4M+ACQ==
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

2026-09-17T12:11:08.209513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012219
observed 699ea96ec563f1ae2d01910655490ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.189707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012219/manifest.json
observed 82a11b2766782a1ab3fe92beaa24123c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.168729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012219/publication.md
observed 983a73fd0c724a12fb288fe0f5b8f04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.150066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012219/publication.txt
observed 0a17fa5b5506df47080d569091d4d902...
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.