OpenTechnical

OT-2026-000063546

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented after set-down

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-2026-000063546) never changes.

Identity and time

Publication numberOT-2026-000063546 · never reused
Internal UUID01a0ae8c-f945-7a52-bdc9-96cc0f34b892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063546
StatusPUBLIC

Content hashes

Canonical text218075b2adf9dc77202e9c5c859a960df3d51cc992386a85f3f48797899d1449
Markdown09bcb182fc7353207a51c805d5e49a7352cc9ba6739d47e4bcacc9daf18245e0
PDF
Publication page3aad3ce5254c5b522b5520dd43a04143566d8d2188ffdc2eabe32fa10027c86e
Manifeste142c5c2beb7c5eea95512d12238b4c28317bc02946c90a69b1dcd26984ad9ce

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
SignatureVzE6m+dWA79q+HF3YH8mzoqtptV4u6Hv+cUMIoZt/FF5H2v7ACzOO7T81KJ6Pw8CeZeIhf3cad0FeX4WbTLPBw==
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

2026-09-17T10:37:32.730217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063546
observed 3aad3ce5254c5b522b5520dd43a04143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.709921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063546/manifest.json
observed e142c5c2beb7c5eea95512d12238b4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.686455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063546/publication.md
observed 09bcb182fc7353207a51c805d5e49a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.665087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063546/publication.txt
observed 218075b2adf9dc77202e9c5c859a960d...
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.