OpenTechnical

OT-2026-000048214

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048214) never changes.

Identity and time

Publication numberOT-2026-000048214 · never reused
Internal UUID01a0ae80-4de2-7e04-b549-9722f0c462a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048214
StatusPUBLIC

Content hashes

Canonical textcbacb9d5b051e69753ae49e7bded90d03c289c55be35140f100c6b0bcb8d90eb
Markdown3104aa665dde6ecf134a382092a0a0ed8bb27d3123c6afe56cc21d7c53cba9f1
PDF
Publication pagec63d8ec18847b0d2f3919dc76f84d43dff9b9351476494784d1f544d1eb95308
Manifest240df9e8fdf8f68f1bb1db96c6ea69492f9f2ac06ce29b0fb02831ea80b6102f

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
Signaturee7Jb7P13DH/cLLTu+0i0gq204gxnpMeeg32r955K1S23NaJtDwCO1axGcWEPt+5HVoZFxQ8der2UUMayZGxiDw==
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

2026-09-17T11:04:45.860698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048214
observed c63d8ec18847b0d2f3919dc76f84d43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.843118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048214/manifest.json
observed 240df9e8fdf8f68f1bb1db96c6ea6949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.823579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048214/publication.md
observed 3104aa665dde6ecf134a382092a0a0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.804294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048214/publication.txt
observed cbacb9d5b051e69753ae49e7bded90d0...
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.