OpenTechnical

OT-2026-000027592

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000027592) never changes.

Identity and time

Publication numberOT-2026-000027592 · never reused
Internal UUID01a0ae72-6999-7c0a-af45-63c17ca65707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027592
StatusPUBLIC

Content hashes

Canonical text4df8a19ea968476652061b1d3e30d15524e075b971438adbf66b4e207b3c3b0f
Markdownb3905d5423e1006fb95b864e9d0a9021537bfc95a3f491c212377c05b934ed32
PDF
Publication pagedcb34ac0ba3335c8accf05d4dd735ac535a6379934b72e7f26051ca399199d9c
Manifest54d9cc65a44e1c3c82163aa1699a24c6b0de7ad1d9de5e49d2ebe840027dc292

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
SignatureRQX9U/y4DbnAg8GgiYLfOd5M2uXo3yJrH0v76DRT6B6BxXKZgAh10ViJqx7WBQjYkYRCJXomxS9hG6YIeYyNBQ==
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

2026-09-17T11:43:05.344854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027592
observed dcb34ac0ba3335c8accf05d4dd735ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.326849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027592/manifest.json
observed 54d9cc65a44e1c3c82163aa1699a24c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.311435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027592/publication.md
observed b3905d5423e1006fb95b864e9d0a9021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.294883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027592/publication.txt
observed 4df8a19ea968476652061b1d3e30d155...
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.