OpenTechnical

OT-2026-000073416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000073416) never changes.

Identity and time

Publication numberOT-2026-000073416 · never reused
Internal UUID01a0ae92-efb8-78db-b0d9-c86e1883b23f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073416
StatusPUBLIC

Content hashes

Canonical text495c96bfb20a5e198d3ba45b00585cd5433b6ed4f175a245c1b7428bca3d69a6
Markdown3c183e0394d0a3bf147affaa9659b62b2d7507119465fa9663e8436d4e82e05a
PDF
Publication page8d21df7c0c96f74ad8e741099bd39fdea3846413d1070196e0b4694ec5e1eccd
Manifest6712d3e1706d8b197afca0927b1fca8b2f4d1559942b7f391b6ba529e21c49c1

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
SignatureH5RST0KOAXMxKjfe8x3v+lNvodSNPourdaav6AjcUHxXXW+EDjUk+RvFwd3w70z/HigrZGH5HBwjo7erY1DUCw==
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

2026-09-17T10:21:01.335891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073416
observed 8d21df7c0c96f74ad8e741099bd39fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.316227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073416/manifest.json
observed 6712d3e1706d8b197afca0927b1fca8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.282513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073416/publication.md
observed 3c183e0394d0a3bf147affaa9659b62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.168517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073416/publication.txt
observed 495c96bfb20a5e198d3ba45b00585cd5...
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.