OpenTechnical

OT-2026-000019206

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019206) never changes.

Identity and time

Publication numberOT-2026-000019206 · never reused
Internal UUID01a0ae6e-f391-73ae-8033-ee95ec4a50c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019206
StatusPUBLIC

Content hashes

Canonical text3d9214ab068f89d925dd9bec123a4c0ef4cfd88d78c4b56b6f5a2f95a51d09c3
Markdown66177a6a659b046b3dd332282db26e7f6f278f1900825fdcf643c3e1c31489b3
PDF
Publication page8011518a1e38f8817206892979a814ab3433fffc58340c709065ccbb60467fd6
Manifest2d2f15022c99c9264a0dd5b1d17340b2445fb26a6364cf4827024863021d4938

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
SignatureH3AWWQoJrXk2fCk2oPfudxenuQstP2m84v0MSPFk6MpAOE1ZK+VezZqcto6ym/DTGL7sHNO3doJEglgfi29aDA==
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

2026-09-17T11:58:31.652191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019206
observed 8011518a1e38f8817206892979a814ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.635979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019206/manifest.json
observed 2d2f15022c99c9264a0dd5b1d17340b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.618240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019206/publication.md
observed 66177a6a659b046b3dd332282db26e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.600160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019206/publication.txt
observed 3d9214ab068f89d925dd9bec123a4c0e...
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.