OpenTechnical

OT-2026-000089334

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089334) never changes.

Identity and time

Publication numberOT-2026-000089334 · never reused
Internal UUID01a0ae9b-db01-7b56-aacf-89303ef9dad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089334
StatusPUBLIC

Content hashes

Canonical text6b2f0f5a9a7f9cb6f19d905cdaa64dd38991d26000015e242b98475438804a31
Markdowne9c045638ed0b9bb37cd707aea421838d2c5207a1143163eed5160a3bed33398
PDF
Publication page9368d7a6c51d3d2fc28cf8b1483ec188151cec289f157377e77e13b0fae28127
Manifestc1deebdc6c4f9235a574304d53eb9ac67014b05dfa9be0eaf52e6cc947ab3b0c

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
Signature7o7Sv1NNfp3Fr839sh412OG4skZZx2Lhv+b6TQZWbL6ca0M76Wu2hDBri4A3BjHoQmUkM1f/sdyrWFYHQOVfDg==
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

2026-09-17T09:47:23.238239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089334
observed 9368d7a6c51d3d2fc28cf8b1483ec188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.220418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089334/manifest.json
observed c1deebdc6c4f9235a574304d53eb9ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.203756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089334/publication.md
observed e9c045638ed0b9bb37cd707aea421838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.185759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089334/publication.txt
observed 6b2f0f5a9a7f9cb6f19d905cdaa64dd3...
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.