OpenTechnical

OT-2026-000074676

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074676) never changes.

Identity and time

Publication numberOT-2026-000074676 · never reused
Internal UUID01a0ae93-ac2b-7d0b-8235-19b3068b113a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074676
StatusPUBLIC

Content hashes

Canonical textdad7b20d1b8046b7261c81ed4399b6fe0c45067ff2be2b4f389bc4827217427f
Markdowne8162a2f9494ad2b5b72d182ddb4927c32b522d5a9b9b71bdc6b106f5367f183
PDF
Publication pagef0625aa62526fd2fec027c84873296eba9ec85002e441781fa28c436fe984bd2
Manifest3c2abdd57fb9abbe4746940222f3555861d4095f1e65dac8085edb29b06c9987

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
SignatureoK21SSMLE2B5fH/6jHWJXSWaBBElZbmb6U5EyAaWu9qeXUvRqL8mCwLZGxAjrBQnDu4fX5kkNAe/Z4des0o4Dg==
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

2026-09-17T10:18:15.554276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074676
observed f0625aa62526fd2fec027c84873296eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.536724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074676/manifest.json
observed 3c2abdd57fb9abbe4746940222f35558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.518752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074676/publication.md
observed e8162a2f9494ad2b5b72d182ddb4927c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.500802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074676/publication.txt
observed dad7b20d1b8046b7261c81ed4399b6fe...
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.