OpenTechnical

OT-2026-000038964

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000038964) never changes.

Identity and time

Publication numberOT-2026-000038964 · never reused
Internal UUID01a0ae78-76a0-71c8-b7b0-1f715383fbe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038964
StatusPUBLIC

Content hashes

Canonical text9b3a2d093c4afa7353ee88fc185ad431b5b1525484bfffd48cdaeda658d71a0a
Markdownd2e3b02b6675a1d82a1054ab9a5c25284f5eb7195fb5ed300c6225f08e279638
PDF
Publication pageb3744a7b6a3efa2acdcda3eccccb5a993174494a1d7937d53cde35578c68912a
Manifest9030612eea36fec31d41c4428c4cc5a2c39b20f11050df57972c3bcc45fdb32e

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
Signature72JiRGY9/pwR4ROYqMAEn5LsRIo9vK0iDjwbaJHUXa/3kyQ5PWSqnfM6wUF8pXNUgPXNY0rUuIr7fkVjII1/CA==
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

2026-09-17T11:22:14.315703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038964
observed b3744a7b6a3efa2acdcda3eccccb5a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.296175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038964/manifest.json
observed 9030612eea36fec31d41c4428c4cc5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.278489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038964/publication.md
observed d2e3b02b6675a1d82a1054ab9a5c2528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.260599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038964/publication.txt
observed 9b3a2d093c4afa7353ee88fc185ad431...
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.