OpenTechnical

OT-2026-000060158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down

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-2026-000060158) never changes.

Identity and time

Publication numberOT-2026-000060158 · never reused
Internal UUID01a0ae8a-5a71-778f-bd6c-fec2ade9dabd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060158
StatusPUBLIC

Content hashes

Canonical text2e4089229bc6a8c4a91d66703f6e86d66a603fd4dc67f6f3843b3694a2f401a7
Markdown50c771df4b98d00eb5cdcc588250fa5936c49381b98c64661909d9b6c0315f2a
PDF
Publication page83a3406bfbd73c586428e0bdd7a61ffad170a8d70e9b11b86e0c9e047632578e
Manifest55c4cc0b2989ab37815e1531cc9c4c10c2c84d69daf7e113afa3847a19f5b59a

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
SignatureIJ+dFzPxXQeDOH3J9Mt+VLU+mHpUv6sU54uhCQJVfi2U4Ve5mlJVlCOGwuroqrcbbWok5UZHW12XtCCS+TuoBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:49.126036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060158
observed 83a3406bfbd73c586428e0bdd7a61ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.108674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060158/manifest.json
observed 55c4cc0b2989ab37815e1531cc9c4c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.089929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060158/publication.md
observed 50c771df4b98d00eb5cdcc588250fa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.070719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060158/publication.txt
observed 2e4089229bc6a8c4a91d66703f6e86d6...
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.