OpenTechnical

OT-2026-000073426

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-2026-000073426) never changes.

Identity and time

Publication numberOT-2026-000073426 · never reused
Internal UUID01a0ae92-efb8-70e0-8dfd-d211eae1db3c · 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-2026-000073426
StatusPUBLIC

Content hashes

Canonical text6ee862c2378dc947eb3ff59d9c58a571c0f7a55bbccf5c52018e50f13f82819a
Markdown15917bb9f2a58fa01118e613b04beeab023ff91bf07a7b3cb385ac664598c683
PDF
Publication pageaca2b131333e6017b5bb25d69e7f2bcba127835b177c4f32789229ec91ea8b2c
Manifest4e1c6b17e7caf2f18e0ef304053e2be3600154d9248abf13525731595e03f9d1

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
SignatureCfKyoFaRN7vomk5tvBDyXjmhVZjYHZWU+zOqws7pBsz2WK4XwyEVEoxp6b3iPjhZI46AVM1C142POUwNrzNUAw==
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

2026-09-17T10:21:34.660036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073426
observed aca2b131333e6017b5bb25d69e7f2bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.642483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073426/manifest.json
observed 4e1c6b17e7caf2f18e0ef304053e2be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.622110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073426/publication.md
observed 15917bb9f2a58fa01118e613b04beeab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.602349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073426/publication.txt
observed 6ee862c2378dc947eb3ff59d9c58a571...
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.