OpenTechnical

OT-2026-000038948

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000038948) never changes.

Identity and time

Publication numberOT-2026-000038948 · never reused
Internal UUID01a0ae78-76a0-7926-ac93-878c80b581f9 · 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-2026-000038948
StatusPUBLIC

Content hashes

Canonical text80640b931db0826a103e7c68db7d37c4be23356715cbfe30359b248e315c4dfa
Markdowne8c88e6bcb93261d66f9507dc6580b6588ea0a391a8e437820d41abc373840d2
PDF
Publication page62671b03ac4dafb80efff178819e18ff36e62a97f6a9a9be980062615e9a775c
Manifest758862be043e96b352e4d1b93adb250a04eab7ae2ff4e6d061c79de8bad81c19

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
SignatureISZLn5b6JWdMduTT7ZtP//38HGp6w2lVZP98tZKDxi3MVub9cS0gcADcbVXwNHA5o639CWiH0wFNSOjob0hBCA==
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

2026-09-17T11:22:13.140916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038948
observed 62671b03ac4dafb80efff178819e18ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.123310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038948/manifest.json
observed 758862be043e96b352e4d1b93adb250a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.106059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038948/publication.md
observed e8c88e6bcb93261d66f9507dc6580b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.089191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038948/publication.txt
observed 80640b931db0826a103e7c68db7d37c4...
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.