OpenTechnical

OT-2026-000076479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076479) never changes.

Identity and time

Publication numberOT-2026-000076479 · never reused
Internal UUID01a0ae94-6a71-73b7-9329-b244bc84b2ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076479
StatusPUBLIC

Content hashes

Canonical textd3fae44a881e5106d2b325dfb7b7b1eacc6ff7407ad74125b6db0adeae56f9b8
Markdown2d12104b23da43929ae61405b106e75246e77c0c7995cd43c2374d43098258fb
PDF
Publication pageab9e09aa6b59eacb676aecd84a8d05c542ca5e9c29c6fe974e82bdc6a4b7f143
Manifest3e0a340a504e589728478d5fab0602f015e816005559f5972eeaf72ab02320ea

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
SignatureBnyKZLy9RZU7d4VJbO1bKkNvQ3EKxiqFx+hnGQSAun6Lzx7l+5jnV7FZ1JJAldapjxgWzl8u+ImtYTQifDgvDg==
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

2026-09-17T10:12:41.494132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076479
observed ab9e09aa6b59eacb676aecd84a8d05c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.472324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076479/manifest.json
observed 3e0a340a504e589728478d5fab0602f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.450145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076479/publication.md
observed 2d12104b23da43929ae61405b106e752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.304540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076479/publication.txt
observed d3fae44a881e5106d2b325dfb7b7b1ea...
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.