OpenTechnical

OT-2026-000044372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000044372) never changes.

Identity and time

Publication numberOT-2026-000044372 · never reused
Internal UUID01a0ae7c-39d7-7486-b4ec-352574ab6093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044372
StatusPUBLIC

Content hashes

Canonical text81d1c7fc8f78a7847c32dc865e49cc5375631f02b2fbcb55671ceb528ce88231
Markdown5fdc88a897ef1f1aed0b6e5f0979e7ca1f6b78619b4e24f1da39fa8c264c2283
PDF
Publication page1b8942b5484673f575f86eda635f82a6a9c30887cc18d636881920f724e59f96
Manifestd93ae95807f9aae75620fe301bd70fb9d976c5c3bc0fba0f016fa81ed2a3c61a

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
SignaturemKhPrZ21ZuDNM1Zenu42fZcM3HR1mGnBGY1lve6kjvKyb74elpriM7QNIJ0U+AsP13RTIi+BN3NC0qtn/+sgAA==
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

2026-09-17T08:30:32.027775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044372
observed 1b8942b5484673f575f86eda635f82a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.007976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044372/manifest.json
observed d93ae95807f9aae75620fe301bd70fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:31.989049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044372/publication.md
observed 5fdc88a897ef1f1aed0b6e5f0979e7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:31.966896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044372/publication.txt
observed 81d1c7fc8f78a7847c32dc865e49cc53...
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.