OpenTechnical

OT-2026-000072694

Publication integrity record

Four bellows 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-2026-000072694) never changes.

Identity and time

Publication numberOT-2026-000072694 · never reused
Internal UUID01a0ae92-89d9-7864-b7d5-c321622d7c58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072694
StatusPUBLIC

Content hashes

Canonical text5ceb80f1367f95c3c19779a87ac095d667b8729cc93219c8f19873a3c6718131
Markdown71c71e3238c874026f0b8e3a6bab903fcf47a786c9bc3773dc6bd8413d797a6d
PDF
Publication page45f964604740fcb3a60f8f1fcb453980169eebfd0989f7652f29989e7bc651e7
Manifest52fe48a6f8b02b194dc6a78f0ab019770a577a6c2d46d35ca91ea4f53bdcf632

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
SignatureqCcVhFZbnA9pOExG+fxQvCOA0iGl4ciN8Hxf2iOpmnQvBRMKD7ZHSfs0LyRw8TmcP9JWWdDc2f0LhPdhp4JwCg==
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

2026-09-17T10:22:35.117500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072694
observed 45f964604740fcb3a60f8f1fcb453980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.021938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072694/manifest.json
observed 52fe48a6f8b02b194dc6a78f0ab01977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.002042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072694/publication.md
observed 71c71e3238c874026f0b8e3a6bab903f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:34.983972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072694/publication.txt
observed 5ceb80f1367f95c3c19779a87ac095d6...
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.