OpenTechnical

OT-2026-000062280

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000062280) never changes.

Identity and time

Publication numberOT-2026-000062280 · never reused
Internal UUID01a0ae8c-0abe-7bce-b556-5976d8c4f4a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062280
StatusPUBLIC

Content hashes

Canonical text923af0acf72b9e43d9ada46a2caa45bbc0f88e0b991d49464262dc26d1615041
Markdown4556fcbe971b7e37d8a3c224fabb93cf546a64bee611aec2e65a1ffff60c35dd
PDF
Publication pagebb84242bff784667a8a4d016269087420d8ad0d2b14db0c1aaac45f6cfb7d0e6
Manifestb243a80bf458e607bc9e12f2cb6c4e8e5511fe5110575c886ddc56e9990a8655

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
SignatureDTAbM1vGlE1w3IItCTdUPkzlj8WZs2UWswQP5ziQFvBGCqUirXtTi+gpMsSSk4xEXoNyc1T0ou1fsVZtiuARAA==
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

2026-09-17T10:39:33.849620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062280
observed bb84242bff784667a8a4d01626908742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.830802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062280/manifest.json
observed b243a80bf458e607bc9e12f2cb6c4e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.811195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062280/publication.md
observed 4556fcbe971b7e37d8a3c224fabb93cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.793552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062280/publication.txt
observed 923af0acf72b9e43d9ada46a2caa45bb...
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.