OpenTechnical

OT-2026-000070641

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000070641) never changes.

Identity and time

Publication numberOT-2026-000070641 · never reused
Internal UUID01a0ae91-8c2b-7359-af63-1890eee0c980 · 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-2026-000070641
StatusPUBLIC

Content hashes

Canonical text7ac0a59935651bec6319c8e7ee3f3738e8ca10038324d83b8d859e925bd91de9
Markdownf167a5ba521e1d0fba1f06c8f29e6d7be519d25c986820b260444883df153f99
PDF
Publication page0aa2ef7361c209da6ed86b9c3ef3c92f55da4cca2d15b9b83a6b94be69da298b
Manifest3300fd60691a499b1224241ffa803e4ae0f168a6399c34ae44e9e8cba9ce1c12

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
Signaturec7u9LK2Kom0XhoimZD+Ny4pKIcIBixx7ISfy8HAsZCQJexPaEhp1jpW1rXYoDs4RhsIq1eYqWGJee6QtyxfzAA==
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

2026-09-17T10:25:18.809921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070641
observed 0aa2ef7361c209da6ed86b9c3ef3c92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.793241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070641/manifest.json
observed 3300fd60691a499b1224241ffa803e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.777046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070641/publication.md
observed f167a5ba521e1d0fba1f06c8f29e6d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.759797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070641/publication.txt
observed 7ac0a59935651bec6319c8e7ee3f3738...
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.