OpenTechnical

OT-2026-000076773

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076773) never changes.

Identity and time

Publication numberOT-2026-000076773 · never reused
Internal UUID01a0ae94-b06f-7b9e-9b0b-27dfd1cb22c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076773
StatusPUBLIC

Content hashes

Canonical textf2b83fbb8034ef2b66c64904f64320283441a62fbe5a3387e569f329db155ec3
Markdownf87cdbf5b701618004cc815aefbb1fd4164aab5fc6555f7aa953926c81dd61aa
PDF
Publication pagea1670a0337085fe8863819d4229c8158b5eb53491565c8af87d5aaea7f28f1bc
Manifest2fffb147f712608eb37aaf262e67f973cceca5ca85faa290cf0ad8ae937599d3

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
SignatureTZbAoXIaQikTVfva8OSCUlX/9npShP81F/0Y//ft5YBqSmK4AzLlTWWHwzAvU4y3RaPoFYd38EjJ4LTPx8qEBA==
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

2026-09-17T10:09:38.033683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076773
observed a1670a0337085fe8863819d4229c8158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.013706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076773/manifest.json
observed 2fffb147f712608eb37aaf262e67f973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.994595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076773/publication.md
observed f87cdbf5b701618004cc815aefbb1fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.974904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076773/publication.txt
observed f2b83fbb8034ef2b66c64904f6432028...
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.