OpenTechnical

OT-2026-000075218

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075218) never changes.

Identity and time

Publication numberOT-2026-000075218 · never reused
Internal UUID01a0ae93-f200-7a6b-8b53-280e8f0aaa14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075218
StatusPUBLIC

Content hashes

Canonical text18ca05cc1e8f0f857552a4c19bf2470bdc906f01c369828eb5f003d52039c12e
Markdown6d6194d6fa27b5009be6f19f490f1bdd1ee7d89a40a529881c9d88cad83addc1
PDF
Publication page106322a967f29942f1266473811590dd965f7eb0bff76e294b7af6883c824d11
Manifest0d623a0f835cb87a9639539c23c2d6d805a22712f816daf15098f0164c4750f9

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
SignatureXWWojqoLE+qvqv9RpzDvH3YTgLX4NE6msgP8h83Au1hKRK4GIECOBruLtxRGNVUsFHGQ0XBTEjCgEk3dQqiBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:29.438633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218
observed 106322a967f29942f1266473811590dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.418623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/manifest.json
observed 0d623a0f835cb87a9639539c23c2d6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.401947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/publication.md
observed 6d6194d6fa27b5009be6f19f490f1bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.383277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/publication.txt
observed 18ca05cc1e8f0f857552a4c19bf2470b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.468405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218
observed 106322a967f29942f1266473811590dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.446996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/manifest.json
observed 0d623a0f835cb87a9639539c23c2d6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.301178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/publication.md
observed 6d6194d6fa27b5009be6f19f490f1bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.280611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075218/publication.txt
observed 18ca05cc1e8f0f857552a4c19bf2470b...
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.