OpenTechnical

OT-2026-000057941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000057941) never changes.

Identity and time

Publication numberOT-2026-000057941 · never reused
Internal UUID01a0ae88-6ed9-7062-80a5-a879797cf5bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057941
StatusPUBLIC

Content hashes

Canonical text1b6c35111d705790fb5e13bc55d760dec13df6df099ee50ccfa25a299e459196
Markdown80692fbee846f5da764dc14a947a52c0a43fbaa0c81c3233bc168ab211651402
PDF
Publication page969c9e694330b157dbc1975baca97f0ac85b3c9d55bd399bfb921b577b5de8f3
Manifest11d633d41b7aac9bfeb09188567142e5a17560b35c01b8d806f9174af06bc878

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
SignaturelGlaXiPz7ViUy2KQfyeRS6RJ66rDqNqUu0EXMM79ztAuHO0dYmyikrRcwAbKP5Nv3cEosGD1RCkkumk6byEaDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:31.864622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057941
observed 969c9e694330b157dbc1975baca97f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.831849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057941/manifest.json
observed 11d633d41b7aac9bfeb09188567142e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.813584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057941/publication.md
observed 80692fbee846f5da764dc14a947a52c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.777374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057941/publication.txt
observed 1b6c35111d705790fb5e13bc55d760de...
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.