OpenTechnical

OT-2026-000092643

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000092643) never changes.

Identity and time

Publication numberOT-2026-000092643 · never reused
Internal UUID01a0ae9d-b5ff-7723-a71f-f2d1a5fbc7c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092643
StatusPUBLIC

Content hashes

Canonical textaf0045d3b9becfdea558cbb9dc5311347b4983ead7fffe48a9ecb4a5b106d90e
Markdown875f19f24fe2387ffecdc08cc9c6da8a9d0e18b26d14b416817d7ccdf066d97e
PDF
Publication page4706f94f44bcfff862b49f94b655cd3c1f7541979b9e4b2851d324f6bb470881
Manifestd0c0d5678f39c648674bbd123650a0f442812f32654789aebfca156b5c2c11f9

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
SignatureGs8fmzH4jI1SWcrWXbGnqsd+isr38zxc/5IJP2YKyJ1L/eZH+xR7rhGuTpdvq6gB9g1asHtXjOHvZiexKJn5CA==
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

2026-09-17T09:41:14.805099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092643
observed 4706f94f44bcfff862b49f94b655cd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.787824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092643/manifest.json
observed d0c0d5678f39c648674bbd123650a0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.770818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092643/publication.md
observed 875f19f24fe2387ffecdc08cc9c6da8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.752552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092643/publication.txt
observed af0045d3b9becfdea558cbb9dc531134...
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.