OpenTechnical

OT-2026-000101669

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000101669) never changes.

Identity and time

Publication numberOT-2026-000101669 · never reused
Internal UUID01a0aea4-0e16-79db-b3f4-13fe0101ee7d · 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-2026-000101669
StatusPUBLIC

Content hashes

Canonical text1ff6e94c9dc0e55bec2b37eb988706e235b4ecc2dbe2afeed8bd20bc50f996e5
Markdownb5df587a046c7fd414e95a1dc89b84a40dde3bddcd07d775a4867c46493d58b2
PDF
Publication pagea1b28ef2d2eb4451273294426a48732ea362535c2ddc002f650d8bb00831afd0
Manifest32bfb0e78cb9f9073d71c7e3ddca4886a16a734c1bb49b079f7ceeb2c8ec716e

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
SignatureA0FqLIKjtYQ/L4E+XFvRHsCyqRPJhLwdAKAsdqBQhi2kf1kJhrj98UOErBL/BD6cSZhBQgt0c1sEDAI1ZIg8BQ==
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

2026-09-17T09:26:06.845139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101669
observed a1b28ef2d2eb4451273294426a48732e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.827053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101669/manifest.json
observed 32bfb0e78cb9f9073d71c7e3ddca4886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.808277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101669/publication.md
observed b5df587a046c7fd414e95a1dc89b84a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.789519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101669/publication.txt
observed 1ff6e94c9dc0e55bec2b37eb988706e2...
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.