OpenTechnical

OT-2026-000071007

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000071007) never changes.

Identity and time

Publication numberOT-2026-000071007 · never reused
Internal UUID01a0ae91-8c2e-75d6-9cb3-feb1b8daa077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071007
StatusPUBLIC

Content hashes

Canonical textafad2b43615f579fe5349086f60fe0b55ed4335e1de03e7f1b06762d84fa5bdc
Markdown58d956e2b1c78c76f0000ed619c62198d0b2015acbcca3a1eb9064890ae568f4
PDF
Publication pagea2889c17c5a4f0fc6b3779f49dd6ba7499d81519148e30d49dbea21c8e442c60
Manifestb773b619798c844ebbbdbe566c5053c8da705fcdb0b68d96aa797142d97291b9

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
SignatureGqwUsPb9sh2neDfYa6MqVSFNwPAc0lEK1qjIOCjbuMhgQdOPFqUSKiQkTnIW1lcvlfNeFKPHLeyWwDN3CoSzDg==
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

2026-09-17T10:25:50.772237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071007
observed a2889c17c5a4f0fc6b3779f49dd6ba74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.755166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071007/manifest.json
observed b773b619798c844ebbbdbe566c5053c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.739670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071007/publication.md
observed 58d956e2b1c78c76f0000ed619c62198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.724491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071007/publication.txt
observed afad2b43615f579fe5349086f60fe0b5...
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.