OpenTechnical

OT-2026-000030490

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000030490) never changes.

Identity and time

Publication numberOT-2026-000030490 · never reused
Internal UUID01a0ae73-e504-72f2-944f-6e5a6cc540ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030490
StatusPUBLIC

Content hashes

Canonical texte8cdf28305091c2450b30c42f8d80eb90eff704e66a284f9fc808e76e2d94af3
Markdown628f7e0b094085c42e78ec541362eb0dd3d2cd759a47766f0ce956830d929a77
PDF
Publication pagef3ff80eaef45554c460fba9654e7e3db3dbd0e5156ac346175a2f3bebf2b6232
Manifest5da61af93b108752e58fa5d16ac2be9b9c3e158468e9d767a38659be470a852a

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
SignatureOKx07fg2yiWhPyPln7u9WyCivPehkrEHU44WEo6ewyzegDy3CzNqMRAP9ebWMCJIOCSTmN2c+Rqz+el/j8Z5CQ==
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

2026-09-17T11:38:20.144403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030490
observed f3ff80eaef45554c460fba9654e7e3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.117449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030490/manifest.json
observed 5da61af93b108752e58fa5d16ac2be9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.098324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030490/publication.md
observed 628f7e0b094085c42e78ec541362eb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.067532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030490/publication.txt
observed e8cdf28305091c2450b30c42f8d80eb9...
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.