OpenTechnical

OT-2026-000072091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000072091) never changes.

Identity and time

Publication numberOT-2026-000072091 · never reused
Internal UUID01a0ae92-47c1-7dca-b6c5-a1c667ac39c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072091
StatusPUBLIC

Content hashes

Canonical text6476ff06e581137c0b7a93e48e1c63ee2e5242ede3cba941616dfe5cfb460622
Markdown023322affcec1cc5b7a219989d6f23d102681ea9a3cf28fbc48b1485b7b86201
PDF
Publication page53895321b3ba63760d03619a273a919ec0e3b616326a1a32351c6b57d78e3068
Manifest0c437091dda2e8628125b806cb1d8ab7d4de83d81299665279823745129e2e17

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
SignatureL7RmXnzUVz7TIwiWcv9kIUhW90vRY4F8VMdNKRWvsY9H0DfU/uW6TYqGdTT9zPYP0MNx1SAPbd1XnAIg0N6UCA==
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

2026-09-17T10:23:10.270824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072091
observed 53895321b3ba63760d03619a273a919e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.254053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072091/manifest.json
observed 0c437091dda2e8628125b806cb1d8ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.235023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072091/publication.md
observed 023322affcec1cc5b7a219989d6f23d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.218604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072091/publication.txt
observed 6476ff06e581137c0b7a93e48e1c63ee...
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.