OpenTechnical

OT-2026-000045948

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000045948) never changes.

Identity and time

Publication numberOT-2026-000045948 · never reused
Internal UUID01a0ae7d-8f89-7e14-8143-07f1747bc902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045948
StatusPUBLIC

Content hashes

Canonical text7eb63b743931bd5385bb28784a7f8f9e03236e6d3a099802067b31abc02d17d3
Markdown68e39dca2ca80bb41bf31d9a81e5ac001b7733c7537c5b3f3ebdbc919254ef40
PDF
Publication page43adc34c4858e2d6f790bb099a5fe7fcf7c3b438e4e6c5bca85dc16e3d0bfd88
Manifest98e4b8e5a704cece5bc5a2609a2cedde3eed7df1240d42682dc15bd3dc09afd5

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
SignatureebNosuEwDwPwtkOi1sXRhAjd3Ewcr/c/LyPOfrHGwiTl/M/WaNZZ89gbpprOxrLLTEqcgX20JP9F3pkyESvqDQ==
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

2026-09-17T11:09:51.720632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045948
observed 43adc34c4858e2d6f790bb099a5fe7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.702706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045948/manifest.json
observed 98e4b8e5a704cece5bc5a2609a2cedde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.682636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045948/publication.md
observed 68e39dca2ca80bb41bf31d9a81e5ac00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.661372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045948/publication.txt
observed 7eb63b743931bd5385bb28784a7f8f9e...
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.