OpenTechnical

OT-2026-000086258

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000086258) never changes.

Identity and time

Publication numberOT-2026-000086258 · never reused
Internal UUID01a0ae9a-2c95-77f2-80a0-0c1f7be218fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086258
StatusPUBLIC

Content hashes

Canonical text77bfa986ba3fa9624a0ed5be88e5552bb81f1353242bb3b125e4d8264283aa92
Markdownbeeda8a66109ba2a1821f3dc46eb524925f25ddc98e568a42fb67d7830f77b42
PDF
Publication page8a7a9ceaca59cb02c7d4fd3933943c2e672618058e4310612e7fa0580643b516
Manifest69f304334e7b1a57b3541af5a859298c4f2ca4eec8591092bfb904671cf7a81b

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
SignatureBActe3Qm73Cb+WUFN30jeJxtiX6tVf7oaV8TZvtHCJfuT8I3x5tdsgcGgiXZTWGpA9T3nqLqSFW+UQPbdVP7Bw==
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

2026-09-17T09:51:55.421476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086258
observed 8a7a9ceaca59cb02c7d4fd3933943c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.404343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086258/manifest.json
observed 69f304334e7b1a57b3541af5a859298c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.387251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086258/publication.md
observed beeda8a66109ba2a1821f3dc46eb5249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.368849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086258/publication.txt
observed 77bfa986ba3fa9624a0ed5be88e5552b...
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.