OpenTechnical

OT-2026-000070599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070599) never changes.

Identity and time

Publication numberOT-2026-000070599 · never reused
Internal UUID01a0ae91-5460-7c21-8f44-eb263768ec50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070599
StatusPUBLIC

Content hashes

Canonical textfc20d8bdfbe43b3d75fef371d82f6ad64ccf6145bc896de59acf64cc299e9b64
Markdown5c4e5686dfcc608acaa896fa7051f2311d8e8194164a9c70bffa076641b8d100
PDF
Publication page963123af7695a39821b2b93137e03b9368cfc6e739af35bbf0d102982f6bb721
Manifest7a88bedbfc125e675fe5fa9f0fe33ca96f5aa772acc40f2a403cccb250fe93c2

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
Signature+pfUl/rH7UjhOQDeTQKQtEIS0Lv8f94RJf1uEZFiJeM2wvoJUCFBfoTvOZ/SqcWhKt5c45+Dk83VgRl0LhqlDA==
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

2026-09-17T10:26:27.397695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070599
observed 963123af7695a39821b2b93137e03b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.380396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070599/manifest.json
observed 7a88bedbfc125e675fe5fa9f0fe33ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.363456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070599/publication.md
observed 5c4e5686dfcc608acaa896fa7051f231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.346871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070599/publication.txt
observed fc20d8bdfbe43b3d75fef371d82f6ad6...
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.