OpenTechnical

OT-2026-000098553

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098553) never changes.

Identity and time

Publication numberOT-2026-000098553 · never reused
Internal UUID01a0aea1-e966-7c4f-ba27-78cdc115b44a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098553
StatusPUBLIC

Content hashes

Canonical texta638af7651ef3debd0ee464a31290609f0f3d3aa3fadc6183630d7cc9fe5c51c
Markdowncf9e9efeb55938f07a669ac5c660eaca3c9de94bd63aec9ed9c77aa76b035593
PDF
Publication page534f53441e9fe99610eb394eb6921ea6b9add7b90c8201901e1b8fbaf07fe765
Manifest0c22f317b49e5246d0ecd54f974f46eff8b46b83e721840b45560d862f3ed86d

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
SignatureDptKJRj7zsl67VwhUcHMLSkfqArMPlbW5MZxH1/H16XXqS5pf/J5AeUQfqUSUU9tDViHjNu1l7lxtW8n70XyAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:26.229290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098553
observed 534f53441e9fe99610eb394eb6921ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.210990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098553/manifest.json
observed 0c22f317b49e5246d0ecd54f974f46ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.192824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098553/publication.md
observed cf9e9efeb55938f07a669ac5c660eaca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.175019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098553/publication.txt
observed a638af7651ef3debd0ee464a31290609...
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.