OpenTechnical

OT-2026-000064742

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000064742) never changes.

Identity and time

Publication numberOT-2026-000064742 · never reused
Internal UUID01a0ae8d-deba-7a6c-af67-fb8ff7780f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064742
StatusPUBLIC

Content hashes

Canonical text294bc082f92af1a634dc7ebbb3c0846d64f3a1749b0387af4fd65d17e2b4af5d
Markdown88c43264300459b99507fa8f5fbea77b3f5caf5ba9608abe0f5b3a56b91e0105
PDF
Publication pageecb5c4b46ba8be390d2038f42e45c0d6fd40aa3820501ece6407c2d0db8db975
Manifest39a5eb03fcb1729edd0633c42b0bec52f8bf46aded0dd528a57961ef14e08471

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
Signatureh8672bj91AkypTxwztpYHpjquYP1bGvRKBqJGaAl6Iudx9D18ExqJsI6LBFvqjWk9fSyt4/RaV8ZLQo5rw2xCA==
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

2026-09-17T10:35:37.371444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064742
observed ecb5c4b46ba8be390d2038f42e45c0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.354039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064742/manifest.json
observed 39a5eb03fcb1729edd0633c42b0bec52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.335996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064742/publication.md
observed 88c43264300459b99507fa8f5fbea77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.318847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064742/publication.txt
observed 294bc082f92af1a634dc7ebbb3c0846d...
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.