OpenTechnical

OT-2026-000070755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000070755) never changes.

Identity and time

Publication numberOT-2026-000070755 · never reused
Internal UUID01a0ae91-8c2c-78a6-91e9-d6fa2f5b8408 · 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-2026-000070755
StatusPUBLIC

Content hashes

Canonical text19d31aa649e2a715a7a6d2a919a729d338c4f83c256cc9013e34ae72160a4900
Markdowna02b1ee8a681ba59d04fb8ce55e871733accbf05d969d9a7068a8def55a91b9d
PDF
Publication page00b03f999e5f5173ece1e724aec3ada6431e376da895b44d2959ee17ddb3e689
Manifest9cc8cf87b57c613aa569c7e5d127254cc11ad8d1f9688112754151a258419ee4

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
Signature5Hhuygb3qlXM+vBTXoeLnSiDBTgfXT+7C+83FxTbUTSfddkXboFo0oByIPG+jqv91YKJ+iwyfqQBB8NSx7VJCg==
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

2026-09-17T10:25:27.203781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070755
observed 00b03f999e5f5173ece1e724aec3ada6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.186394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070755/manifest.json
observed 9cc8cf87b57c613aa569c7e5d127254c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.169196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070755/publication.md
observed a02b1ee8a681ba59d04fb8ce55e87173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.151669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070755/publication.txt
observed 19d31aa649e2a715a7a6d2a919a729d3...
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.