OpenTechnical

OT-2026-000062885

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000062885) never changes.

Identity and time

Publication numberOT-2026-000062885 · never reused
Internal UUID01a0ae8c-94a8-7398-afda-dc46215aa6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062885
StatusPUBLIC

Content hashes

Canonical text9b036d98fc4b3722f69680b546ffdb5a0f351eefd6f4e647b80f5fe34987bffa
Markdown5f99d3c1ca25be3832ae1ba4e561adf43613a6e87c1fdf1d4ee4f8bdc9c522c6
PDF
Publication page58f93d091c9b82cd54bb9c336810547d15d8334b9fcfb7079c87bca41fb5cb75
Manifest415676b4d9b9d2dccd26f7ff9c4b692d72533b9829ef9623990615bec6961caf

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
Signature99RdTfVAM+3YLsIrOl+6QZpqSJohzZLqJ+21r21LnSBYQ4GriJ7WTG1Wzj9yikfCENYZnyvHXBsUIMJJt09YBQ==
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

2026-09-17T10:40:14.858958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885
observed 58f93d091c9b82cd54bb9c336810547d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.837666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/manifest.json
observed 415676b4d9b9d2dccd26f7ff9c4b692d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.818908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/publication.md
observed 5f99d3c1ca25be3832ae1ba4e561adf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.799195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/publication.txt
observed 9b036d98fc4b3722f69680b546ffdb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.366213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885
observed 58f93d091c9b82cd54bb9c336810547d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.348645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/manifest.json
observed 415676b4d9b9d2dccd26f7ff9c4b692d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.328869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/publication.md
observed 5f99d3c1ca25be3832ae1ba4e561adf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.311427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062885/publication.txt
observed 9b036d98fc4b3722f69680b546ffdb5a...
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.