OpenTechnical

OT-2026-000092121

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000092121) never changes.

Identity and time

Publication numberOT-2026-000092121 · never reused
Internal UUID01a0ae9d-8759-75e5-ba74-7e78a5613081 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092121
StatusPUBLIC

Content hashes

Canonical textc988dd1dc51db7a45e9172d9c00d21528a50d59a0eee76eebe98f7e45c565293
Markdown91bd9c93e5bc8d9d2ffe5a394c8bf7a2a8b141b110c2d797fbc981f3be508f9e
PDF
Publication page40142bb00c9a754811f7927300023db7754da2bd0fe01c197e45fba4209b050b
Manifesta882ea2548055c6de21d59d5c256cca1b4f65395656dd088732dcf81fbe57273

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
SignatureTXmyeJxt/TeFDtWWYKxgCfaR/MaZZaiZW9F2rM8Zn3MiTfR+y63S8k4yfLbxsP2EfwpXQEvtO2gv1SFPHdt3Cg==
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

2026-09-17T09:41:35.264738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092121
observed 40142bb00c9a754811f7927300023db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.244999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092121/manifest.json
observed a882ea2548055c6de21d59d5c256cca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.226870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092121/publication.md
observed 91bd9c93e5bc8d9d2ffe5a394c8bf7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.208566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092121/publication.txt
observed c988dd1dc51db7a45e9172d9c00d2152...
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.