OpenTechnical

OT-2026-000084715

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000084715) never changes.

Identity and time

Publication numberOT-2026-000084715 · never reused
Internal UUID01a0ae98-e25d-7e39-9b5d-5a1d4eb7ac34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084715
StatusPUBLIC

Content hashes

Canonical text978d0d269b93c4a93a508c4ee445fa708532ed66e9eafd771b3c4902f6a59c03
Markdown1414fa837996551311c82b35699328e3d70975721d40d8db670ffa1940149d25
PDF
Publication pagedc6468d24695b24c621e9a7ac743a0225555cc97cdb9002a5d216935a02cdd04
Manifest9f8c555d4b919c5b298a1c64048ddac6814c84ee6788b43a6482ce24419b821a

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
Signature4KN6J6jbX8YrvZr6wtbLXfqiRx5z3n7ORSBCzYAYt8ZOObXRM6e6HhVyUB7+6wSbE2VWdY/3xQpgjWhxTFS9DQ==
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

2026-09-17T09:55:39.175778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084715
observed dc6468d24695b24c621e9a7ac743a022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.156869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084715/manifest.json
observed 9f8c555d4b919c5b298a1c64048ddac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.138122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084715/publication.md
observed 1414fa837996551311c82b35699328e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.121248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084715/publication.txt
observed 978d0d269b93c4a93a508c4ee445fa70...
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.