OpenTechnical

OT-2026-000050138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000050138) never changes.

Identity and time

Publication numberOT-2026-000050138 · never reused
Internal UUID01a0ae82-5c45-7139-ac2e-64bd86ef58cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050138
StatusPUBLIC

Content hashes

Canonical textea4589139ee28a1685dcf52d1177586a4b3c1a8d1b433b653b2dea1021b4b2ca
Markdown3db6f69839ffac5f0e9f1c95f920387834366db42b4bd9753482a739682aad60
PDF
Publication page1879992c0e50d8b40fc81616cf5d2379e4e2a3df76b74005926080d96373b6c2
Manifest9f289752e3aedf04c4fcac2bc325a1e53fd2d8518fc23c79d9ec21f623b94a09

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
SignatureC8o7+hht/+3nS5C3/ml6YDH94Bxc/CtgklSDZCu3DIo51fevsX6whxZn/lMGtDcK76KWVJVAztvxOcmwxzuVDQ==
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

2026-09-17T11:01:06.442651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050138
observed 1879992c0e50d8b40fc81616cf5d2379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.425353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050138/manifest.json
observed 9f289752e3aedf04c4fcac2bc325a1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.407504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050138/publication.md
observed 3db6f69839ffac5f0e9f1c95f9203878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.389419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050138/publication.txt
observed ea4589139ee28a1685dcf52d1177586a...
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.