OpenTechnical

OT-2026-000012492

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000012492) never changes.

Identity and time

Publication numberOT-2026-000012492 · never reused
Internal UUID01a0ae6d-39f7-7597-ad01-4cb4de3e582f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012492
StatusPUBLIC

Content hashes

Canonical texta98906906da20e9edcec0dd3832ffffd444bec4f0a6a170493fdcf7c5447e082
Markdown7946170de6686d7cd8c4aead9ebbb9cf76fcc5dd410cebee88a2d426638d3ea9
PDF
Publication page32d8e337f11b46a7d703128a2c337a2ac3c059f7fa2b6d8ad778b48ae3642ace
Manifest2f2949cbfc5d863cefd5cc65a00c1a61438ed9d8843ae46218b8b6d4b95d7060

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
SignaturewthSqLMoTq/NrOI/eBX14Q7xFSaNs1Kari/vNBx2KKlOsS2BNUT/yR974IRhRCX8AaxU0uzp4E4VKWHYhHfwCg==
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

2026-09-17T12:12:00.494571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012492
observed 32d8e337f11b46a7d703128a2c337a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.475277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012492/manifest.json
observed 2f2949cbfc5d863cefd5cc65a00c1a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.455192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012492/publication.md
observed 7946170de6686d7cd8c4aead9ebbb9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.437339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012492/publication.txt
observed a98906906da20e9edcec0dd3832ffffd...
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.