OpenTechnical

OT-2026-000066519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000066519) never changes.

Identity and time

Publication numberOT-2026-000066519 · never reused
Internal UUID01a0ae8e-ce41-760c-9c39-67bd43ae8415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066519
StatusPUBLIC

Content hashes

Canonical text5d9a93d49148a883937ab76733869a26b472cd68573d51fd097a306a2637645a
Markdownad3789a97e1ab78471f0a215ed540cf5356c24245adc736fa1bf7b255d96af79
PDF
Publication page95fee90ff573062dfe1158e64f1d1e46145c9e71a74dd2b7fc082cbdbef69209
Manifest5c66903bb9924332ad591b4ef919f827f1a4c2cfc90e98e2c332f5059b6013eb

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
SignatureRV1QTH4aHvEGolXIRBwL2Rqpk1jJaw2yn9F1AOCEmIlmbdrqXhD2xu7aHLGROW4G9e2meAjkc2c4n/kTW983DA==
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

2026-09-17T10:32:46.885634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066519
observed 95fee90ff573062dfe1158e64f1d1e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.869268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066519/manifest.json
observed 5c66903bb9924332ad591b4ef919f827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.852506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066519/publication.md
observed ad3789a97e1ab78471f0a215ed540cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.836312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066519/publication.txt
observed 5d9a93d49148a883937ab76733869a26...
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.