OpenTechnical

OT-2026-000047378

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000047378) never changes.

Identity and time

Publication numberOT-2026-000047378 · never reused
Internal UUID01a0ae7f-3e57-7b41-89f3-3b29bd69a3fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047378
StatusPUBLIC

Content hashes

Canonical textdd22a80c33e9c26ea334e24f70a4601a37bc6ffac81b1d4c47ddc8233535a7a2
Markdowna8040d2d4b22e2b4b6733f47bdf491aa029ff277d2a6577c8076a2c3133340b7
PDF
Publication page1d0c9ac0645e918a27e7f637183bbbb70565c12d1bb4415cc0f9220289ae11bf
Manifest671995fc07a58f5e26a961d4066cee5227f4c93132d613ed814ebe9b1c0a20ea

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
SignaturebmP9dzM4+TSxoM+QN2CvmPk5V2NXqIvKeUuQh5MCWcnLzDPWccZVCTzeOXEO9nhYgWDFpUY6Bw+S2Uvib6IiDw==
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

2026-09-17T11:06:23.050987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047378
observed 1d0c9ac0645e918a27e7f637183bbbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.033919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047378/manifest.json
observed 671995fc07a58f5e26a961d4066cee52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.015977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047378/publication.md
observed a8040d2d4b22e2b4b6733f47bdf491aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.996610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047378/publication.txt
observed dd22a80c33e9c26ea334e24f70a4601a...
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.