OpenTechnical

OT-2026-000069575

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000069575) never changes.

Identity and time

Publication numberOT-2026-000069575 · never reused
Internal UUID01a0ae90-b52b-7cd2-993a-616414fe36de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069575
StatusPUBLIC

Content hashes

Canonical textb25d02582f55fbdce855c372b99780ac42105d325ddf5d8c4139bdeac0125a09
Markdown83d43354bdf827be7e7a89ac5ecfff98fd4bed7a03bf7d5134c11a7a26bf8d69
PDF
Publication pagef6c96d8879e774a9b4378bbc5068a931689f5f185b3402a06d7c9a5c7132f425
Manifest4e3c555ea563e1a50dcfa995e12e70d741523a8715b9ce22fe296ef9fe0e7c66

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
Signaturewocq+Vl1ybbOtI4wI0wnhBBaC4spHoImjOoY9r04OuzriB+xxxF6g8qZngpZ8FlhFM+0LCcJ8ORkOSD8S6ezBg==
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

2026-09-17T10:30:41.525404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575
observed f6c96d8879e774a9b4378bbc5068a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.506651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/manifest.json
observed 4e3c555ea563e1a50dcfa995e12e70d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.487286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/publication.md
observed 83d43354bdf827be7e7a89ac5ecfff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.469528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/publication.txt
observed b25d02582f55fbdce855c372b99780ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.544321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575
observed f6c96d8879e774a9b4378bbc5068a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.526476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/manifest.json
observed 4e3c555ea563e1a50dcfa995e12e70d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.508895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/publication.md
observed 83d43354bdf827be7e7a89ac5ecfff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.492635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069575/publication.txt
observed b25d02582f55fbdce855c372b99780ac...
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.