OpenTechnical

OT-2026-000049360

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000049360) never changes.

Identity and time

Publication numberOT-2026-000049360 · never reused
Internal UUID01a0ae81-8f7b-7b93-a23f-45de2663f904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049360
StatusPUBLIC

Content hashes

Canonical text2215409b56abc3e9d9480647c40ccaf860c882c5bda025147fbf67760244f0e9
Markdowne3081b2a40e1467fc13a20cf9d178a4c210cf9bc3c7875dfcb8d75ab633670f4
PDF
Publication page70a67287e9d87154e4c4eca9eec77392d19fc0ea01098358fdba419fdbcc7219
Manifest7ac97318c59bce8fdba2a10c0abb95b966ae757f078eafa392f938fb896a395f

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
SignatureocEx8mFbCljvQr7q0EjgIHZMLtTTKyq98gNH/Th6hFwYTUHdl16CqvTFBrV+Kq26nyRhFGsJ7I7PJbhX2yA0AQ==
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

2026-09-17T11:02:09.281342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049360
observed 70a67287e9d87154e4c4eca9eec77392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.265176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049360/manifest.json
observed 7ac97318c59bce8fdba2a10c0abb95b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.248310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049360/publication.md
observed e3081b2a40e1467fc13a20cf9d178a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.228908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049360/publication.txt
observed 2215409b56abc3e9d9480647c40ccaf8...
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.