OpenTechnical

OT-2026-000076653

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076653) never changes.

Identity and time

Publication numberOT-2026-000076653 · never reused
Internal UUID01a0ae94-b06e-7814-b94e-a3edf0c6cb8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076653
StatusPUBLIC

Content hashes

Canonical text5d4bb8d6e70304b9dba92159a5bcccaa8519959734c8a5ad95c17f8390eb2875
Markdown25452b313e09f899103738e71b8cda33bfba895ff5996c390c3e9502a612322d
PDF
Publication page2ee8e3127805d562acb0b117c089dee58b7c3288fca267a62a6634bc770838f3
Manifest6b6ca7bd99257b4932be69f45fb221e7d6c008d48c9ecc455b70c2d06322c3dc

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
Signature8U/goBL34M/GRqY08sdIZDLP6eVzZ5UNMJvv8JB30IZ6kBcei4C+12gk+rGVbHCT3DpQdYqKR3xEer5J5eDtCQ==
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

2026-09-17T10:09:23.845299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076653
observed 2ee8e3127805d562acb0b117c089dee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.824368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076653/manifest.json
observed 6b6ca7bd99257b4932be69f45fb221e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.804994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076653/publication.md
observed 25452b313e09f899103738e71b8cda33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.785283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076653/publication.txt
observed 5d4bb8d6e70304b9dba92159a5bcccaa...
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.