OpenTechnical

OT-2026-000095431

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095431) never changes.

Identity and time

Publication numberOT-2026-000095431 · never reused
Internal UUID01a0ae9f-8f73-7e47-b273-148b76d0cac3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095431
StatusPUBLIC

Content hashes

Canonical text5be835196f7fb5c7e1e09c4daa134ec9f8269269373b2574ff3c15d3a454f79d
Markdown50ed8605a3cda6506cbe11c1965ccbf7705751af757690563cde6616df6dc2ad
PDF
Publication paged43c0c03df76d0fb6260066bfd51d1af26a877e6272083c9efd22a55067ae778
Manifest79bc3ee0ba1369aa986250b77d2581b27b250f657ea5e17f421dd55391305d46

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
SignatureHFQBifgFgwqzr3EfJ4V8JQHy2XxKa6A+HJBOJmir1yG0bvnoUJp3CuqlPBNjqwHzaDeJW1c7Tmo6D0zWfcZPDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:22.400739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095431
observed d43c0c03df76d0fb6260066bfd51d1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.383557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095431/manifest.json
observed 79bc3ee0ba1369aa986250b77d2581b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.366175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095431/publication.md
observed 50ed8605a3cda6506cbe11c1965ccbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.348853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095431/publication.txt
observed 5be835196f7fb5c7e1e09c4daa134ec9...
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.