OpenTechnical

OT-2026-000019670

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000019670) never changes.

Identity and time

Publication numberOT-2026-000019670 · never reused
Internal UUID01a0ae6f-1fb3-794b-ba98-f8610c9003d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019670
StatusPUBLIC

Content hashes

Canonical texte40cbf85be730875f0c7b781223759b88d906172f0310b74374a5174a65536d4
Markdown18fdf058debd38eb9084dce8a340b072db5482b7a7795cbde1e19d2c0778f2d6
PDF
Publication pagefbe1058ab27423cc44d300d896b5d88062ae7a415f1164ae58f11fc376ca021e
Manifest0be311529061030bf22c6f84ed89693bcc2054a847c25e1cfc9a95c1c26299d5

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
SignatureghSuNN6Lt90LK1woxmNwNVc6DhhcGFXiuOkoD/qSnIZUzmSHL0Zc0tqDSc0sOZbj06b/bKk0cXnX7RDvjjRFBg==
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

2026-09-17T11:57:44.336302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019670
observed fbe1058ab27423cc44d300d896b5d880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.316942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019670/manifest.json
observed 0be311529061030bf22c6f84ed89693b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.297521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019670/publication.md
observed 18fdf058debd38eb9084dce8a340b072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.278760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019670/publication.txt
observed e40cbf85be730875f0c7b781223759b8...
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.