OpenTechnical

OT-2026-000101569

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101569) never changes.

Identity and time

Publication numberOT-2026-000101569 · never reused
Internal UUID01a0aea4-0e15-77bc-9f58-1069eb91e20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101569
StatusPUBLIC

Content hashes

Canonical textec977e2ca5f21d7ff6fd65cc837d69aa384286ed3841a901324bfc5e935e3371
Markdown06adb6878702ac5aa4b3f860a293f9d80ca4952ffa8b5cbc84aff037f6afe766
PDF
Publication pagefac3882f2a47c748a713959387d8412519c3bb3caee50c2deacade81965c6b30
Manifest59267a305acd07bad0db94a4b757f8594dffcbecc4051992b633dc87e364d972

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
SignaturenXsoqs9UfIvnt+fJFrI9bpaVDJeYF1MJFdI/K+91nr/pAhRijIiUKePrg7yQlPar5OjN32WrO8HM96LucuG9Bg==
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

2026-09-17T09:25:38.812318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101569
observed fac3882f2a47c748a713959387d84125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.796058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101569/manifest.json
observed 59267a305acd07bad0db94a4b757f859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.778156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101569/publication.md
observed 06adb6878702ac5aa4b3f860a293f9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.759935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101569/publication.txt
observed ec977e2ca5f21d7ff6fd65cc837d69aa...
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.