OpenTechnical

OT-2026-000083061

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000083061) never changes.

Identity and time

Publication numberOT-2026-000083061 · never reused
Internal UUID01a0ae97-c962-7629-9d88-0fd21f0036c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083061
StatusPUBLIC

Content hashes

Canonical texta0c85ec9927ad6c9464ecc19ed42eb71a3b57c69b23738ba649f82d2838fbce0
Markdownc41316742a9be1e41ab1eccfd65fd4b0961b4edd2571152fcbbb16f5a7dab3a1
PDF
Publication pageb36c948fb903cf33f7d128690b356ec5c37850c94191f5b9d7fb1e6b755dd06f
Manifestdc77a913d8eec153ee2744c76bc2acea8e08109ab11ed85497908b015bc924ce

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
SignaturegXNFgX1Gw64pUd5QVLG48z+bR8nYuiPPZnVes3urTO3prRCIigDOHGAsbsvmbjAGvluja9bSNC/0BQd5aUJsCg==
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

2026-09-17T09:00:29.565276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083061
observed b36c948fb903cf33f7d128690b356ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.169510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083061/manifest.json
observed dc77a913d8eec153ee2744c76bc2acea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.149830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083061/publication.md
observed c41316742a9be1e41ab1eccfd65fd4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.130452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083061/publication.txt
observed a0c85ec9927ad6c9464ecc19ed42eb71...
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.