OpenTechnical

OT-2026-000045912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000045912) never changes.

Identity and time

Publication numberOT-2026-000045912 · never reused
Internal UUID01a0ae7d-8f86-7864-a034-18b6734a4128 · 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-2026-000045912
StatusPUBLIC

Content hashes

Canonical text2d051ee94f41e81c4a6497cad8f3a3a80859da6f0ffee0414a5709a72b8716d3
Markdownafb4763e285328b95db8ac0f16eae9c4d5ad1e46b097a362a09148e1f418700c
PDF
Publication page38bc445cf4de1905b8767d031f28f2d2a7f221a6b4b60d8031e0c362c8807a99
Manifest4166a19eac28418e363dee807f2d42c60412ddc65a8676dd5e97015f615abdcf

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
SignatureFd8X1f74NpZ+zGdEsIrn0V9/UWp5tn8Qb7tpv0BMCTZV7fkbzMRkXPtTaVgrUA4Euv+Am6temnTK6wdgrBVjCA==
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

2026-09-17T11:09:48.796515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045912
observed 38bc445cf4de1905b8767d031f28f2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.776769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045912/manifest.json
observed 4166a19eac28418e363dee807f2d42c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.757694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045912/publication.md
observed afb4763e285328b95db8ac0f16eae9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.738498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045912/publication.txt
observed 2d051ee94f41e81c4a6497cad8f3a3a8...
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.