OpenTechnical

OT-2026-000082187

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000082187) never changes.

Identity and time

Publication numberOT-2026-000082187 · never reused
Internal UUID01a0ae97-4d93-7a76-9330-9b4a0468bba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082187
StatusPUBLIC

Content hashes

Canonical text6d6e5deba620ae7cd7f060f480a8972a4982127e8e6625b91142911a6812338b
Markdowna6832d6161f246faa7f66232a17a46e4f2efd862fe4000e7dc227cbfc19bd4bf
PDF
Publication pagebe0d32df73c24c232f8374fa1f4fdfe9d0d9435a2b49038a9b17b9e7d6d8ca8e
Manifestc236c7297b2bcd8ed3901cc66f0b8e59b8efc02780c5440a06de86fc4ef0e1c7

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
SignaturenSt/FykH7jI2i6+ANpFPwTGhud9hjsXMZ4vR3ir3Ia2+PCeY/fx7VS+6o7KdF1n6Y2NJ3mBZnwJcKvFOwHS2Cg==
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

2026-09-17T09:59:00.975178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082187
observed be0d32df73c24c232f8374fa1f4fdfe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.959277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082187/manifest.json
observed c236c7297b2bcd8ed3901cc66f0b8e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.941212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082187/publication.md
observed a6832d6161f246faa7f66232a17a46e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.924145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082187/publication.txt
observed 6d6e5deba620ae7cd7f060f480a8972a...
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.