OpenTechnical

OT-2026-000070179

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000070179) never changes.

Identity and time

Publication numberOT-2026-000070179 · never reused
Internal UUID01a0ae91-1862-739b-9599-f1eba36f42ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070179
StatusPUBLIC

Content hashes

Canonical text5b51de8f1666873d4204a58f9509a1c0efef88bec01ad93381bb8c40558b89bf
Markdown7b3e31db84dd523a766660b96981bda3e19f1ce0706d76d2aa0d71484dbba913
PDF
Publication page30028be2339e713683bf1414a91d99344f1545eef3115b0d2f25d516e8202cd3
Manifestfa81f9f0a6a082974de79200cb75e4551033e7467d2358b0044a948d5d9c6c58

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
SignatureaN58Y3YB0GqC/g7Tx2JENm80JKoYoc7iR3c44pO2O0znTfbFb6OntXRqX4iKiXIb5sRiO8cA7BO1W8LL5tv3Dg==
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

2026-09-17T10:27:13.912386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070179
observed 30028be2339e713683bf1414a91d9934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.895986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070179/manifest.json
observed fa81f9f0a6a082974de79200cb75e455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.878365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070179/publication.md
observed 7b3e31db84dd523a766660b96981bda3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.861186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070179/publication.txt
observed 5b51de8f1666873d4204a58f9509a1c0...
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.