OpenTechnical

OT-2026-000073528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073528) never changes.

Identity and time

Publication numberOT-2026-000073528 · never reused
Internal UUID01a0ae92-efb9-7caf-a080-38bf74a4ca53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073528
StatusPUBLIC

Content hashes

Canonical text93539cf6416e6792c94d5f7cd01de3f848d858b9661cb0e384928a62615bd5f4
Markdownf53e9d636b9527eeaa38893f8847de036941eb36e1c104243cb765a1917b291b
PDF
Publication page4558b69152c2b4d5fad4db7a0d80628b12a375a5373e5c54197b265b94bf42e7
Manifest8d7b35299c08de3f633f1b41b75c6f4e48db018fe75572b51ec4a00a573f45aa

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
SignaturenO55MMH6hVLq0vtevyEQjQmvm63zkD8q56AFOlgJnZnRFnMF3f8SCshTmeFbiu9PaTpgiHdYzoJlhh0Jf/jtAA==
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

2026-09-17T10:21:41.938920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073528
observed 4558b69152c2b4d5fad4db7a0d80628b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.921046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073528/manifest.json
observed 8d7b35299c08de3f633f1b41b75c6f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.903716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073528/publication.md
observed f53e9d636b9527eeaa38893f8847de03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.886068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073528/publication.txt
observed 93539cf6416e6792c94d5f7cd01de3f8...
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.