OpenTechnical

OT-2026-000038048

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000038048) never changes.

Identity and time

Publication numberOT-2026-000038048 · never reused
Internal UUID01a0ae77-f88b-7222-93a4-234765b43eac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038048
StatusPUBLIC

Content hashes

Canonical textbdada437e2afc9981d90bdd5351d20e0cae247c62fb8a3e664ced365cf74e9da
Markdown81888023dc40c6f5190ca145915086d55869dd052a7b9bf509a6b22d43a503bd
PDF
Publication pageda0698553d7c5e89747be62a46127e8eed1d01751e8f9487e5e8943813010777
Manifestf7421a4ccef377d963595e25d6c89ba986b8271ada093da250ca6c00b7617b60

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
SignatureL/OMf5VKnnqzVd9aUVsssGhYRmbLH2GXSR+F4DaN8qa+bcfRIKDQCuWSfoFe3v3Wevno71i2WylXBYGY7OrdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:21.895300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038048
observed da0698553d7c5e89747be62a46127e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:21.876676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038048/manifest.json
observed f7421a4ccef377d963595e25d6c89ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:21.859507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038048/publication.md
observed 81888023dc40c6f5190ca145915086d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:21.841761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038048/publication.txt
observed bdada437e2afc9981d90bdd5351d20e0...
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.