OpenTechnical

OT-2026-000065761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000065761) never changes.

Identity and time

Publication numberOT-2026-000065761 · never reused
Internal UUID01a0ae8e-46fb-77b8-927e-c36a1293148c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065761
StatusPUBLIC

Content hashes

Canonical textdeda944d86ca17a87d6377a8814debf4a8f5e4fb68f000fc20a468c35a5d6e05
Markdownf24c568667ed31e42281e917baa0899ba0c9630fe12237285fd9ba96352df01b
PDF
Publication page156d4af9b2118b3b73c3c25fcc15c95fabed5f30c71b3de96ad4ffc984349097
Manifestfd536f4fe1dfe591225b34a6415f69d59b457f87618ffc3a7bf9fb45c4773262

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
Signatureu5AAn6yiBZS8NjZU9ULNsYKGZpKvt7E0ZdFXgYFVRyh1OFc9LQHqWKEcdOHWfBdjHwMe2eTd6yhlpKZHOt0qAw==
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

2026-09-17T10:34:11.644595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065761
observed 156d4af9b2118b3b73c3c25fcc15c95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.626806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065761/manifest.json
observed fd536f4fe1dfe591225b34a6415f69d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.609224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065761/publication.md
observed f24c568667ed31e42281e917baa0899b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.591001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065761/publication.txt
observed deda944d86ca17a87d6377a8814debf4...
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.