OpenTechnical

OT-2026-000075599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000075599) never changes.

Identity and time

Publication numberOT-2026-000075599 · never reused
Internal UUID01a0ae94-29fd-7dac-8e2f-e05a9749e05c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075599
StatusPUBLIC

Content hashes

Canonical textfecf995916d53a75bc05d5ad6dcabc74b32672ac728f560a956ce26acb4b32fa
Markdown9527314044b4bd02a374ce1d6ba49598c2d21e3ca197767d83aada776ed66a38
PDF
Publication page02e43a04c631f35be712c3e3ed674d931fd671a52203efe1a73c687e2afd20fc
Manifest2afe56ac5cb88d27e01dd28c488e25c92c9718231462b6c03406870a9b4b2745

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
SignatureyT+b+S5lRHUd6C6TmGPs9oS8iOeaP6auXqvR6UH/Bye6uSCMDVXtdyPLIxpWuEcqfdDqOCR62+aunrwQvc+UDg==
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

2026-09-17T10:13:15.753130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075599
observed 02e43a04c631f35be712c3e3ed674d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:15.725494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075599/manifest.json
observed 2afe56ac5cb88d27e01dd28c488e25c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:15.705872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075599/publication.md
observed 9527314044b4bd02a374ce1d6ba49598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:15.563333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075599/publication.txt
observed fecf995916d53a75bc05d5ad6dcabc74...
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.