OpenTechnical

OT-2026-000072992

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000072992) never changes.

Identity and time

Publication numberOT-2026-000072992 · never reused
Internal UUID01a0ae92-c815-7c35-b64d-1f5cba79801c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072992
StatusPUBLIC

Content hashes

Canonical text1af86369e60330b4f3891b66d3a0e1b4102a9e5fb4d28c91928ae51455fe0c3d
Markdown07fa0f1c699984fd2aa025916913b99ac7089b190b1fc8eb413336e21ad8aefb
PDF
Publication page9301321b6d37459447b50a921b8dc1ea85f260a82639607c6eff86db49f161f8
Manifest613cec758ff6cef3ea293d0f0fd1ee2cb3142e9cd255a5bd55dac2c684a9cbc0

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
SignatureqpvzaAQQbXhB49Z1DgCsnGNU8vrg89ExSmNO/wxDXC+QwpA3Wt2duATwAfLKAhy4uXVNTFM9p2gBN/tsLVOUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:55.452068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072992
observed 9301321b6d37459447b50a921b8dc1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.434365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072992/manifest.json
observed 613cec758ff6cef3ea293d0f0fd1ee2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.414890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072992/publication.md
observed 07fa0f1c699984fd2aa025916913b99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.398924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072992/publication.txt
observed 1af86369e60330b4f3891b66d3a0e1b4...
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.