OpenTechnical

OT-2026-000083652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000083652) never changes.

Identity and time

Publication numberOT-2026-000083652 · never reused
Internal UUID01a0ae98-0416-7613-8df8-e7ac492a5b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083652
StatusPUBLIC

Content hashes

Canonical textdb3b4986743e32f8d25d147ceeb44f5908e654657e83335f9f16ba1d3089a58f
Markdown457cb8b1adad23fd32271455d3b94ce6e6a3008a0edfdd32f1bc8b0fcafa05a1
PDF
Publication pagee107d8d82fbbe6d1c5669ef45c8acfe2e4e3f2c79c818e8e44bf7f216cc2b991
Manifest054a931e1f780b657ad8499ffc7baa83542e5fc33ef3463290a1f6d38bcebf35

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
Signature4q6x51WkcTlxJSCSf5JFKR7LI4djGwQIVAQ8QbV7J+e9HBYE89m7rI+wPbGqvDnyTQCf5cUrRqB1C9TLRJpCBA==
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

2026-09-17T09:57:16.137382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083652
observed e107d8d82fbbe6d1c5669ef45c8acfe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.120563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083652/manifest.json
observed 054a931e1f780b657ad8499ffc7baa83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.103024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083652/publication.md
observed 457cb8b1adad23fd32271455d3b94ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.085881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083652/publication.txt
observed db3b4986743e32f8d25d147ceeb44f59...
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.