OpenTechnical

OT-2026-000059693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000059693) never changes.

Identity and time

Publication numberOT-2026-000059693 · never reused
Internal UUID01a0ae89-ec24-7b48-81a8-ffdb5d626141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059693
StatusPUBLIC

Content hashes

Canonical text48047c205a38ea19d5807b9811797b93d467bb2f213cfdeac3802e311775e8b0
Markdownb6f03d5873e777c1c7d1c3089ea91d310e81d8ce1c8f81a8fb6c92b3fa1b5a51
PDF
Publication pagea6cacb69890d54e12b94f787f59cbca83ab6af59f89da8498fe4185a634e069b
Manifestabf689493d6048a8d4d6aea65019a9634a3c90f533268da862b82f76685748b3

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
Signaturer9owP6B6WqYshAAEzeIZXD1Son7Fwi0V2rgjOp3U6vRz53mk1DYKq47y/juSrX8/KmLJv3/vLu1wsbMjU4bxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:24.060580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059693
observed a6cacb69890d54e12b94f787f59cbca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.042965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059693/manifest.json
observed abf689493d6048a8d4d6aea65019a963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.023128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059693/publication.md
observed b6f03d5873e777c1c7d1c3089ea91d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.005635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059693/publication.txt
observed 48047c205a38ea19d5807b9811797b93...
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.