OpenTechnical

OT-2026-000061722

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000061722) never changes.

Identity and time

Publication numberOT-2026-000061722 · never reused
Internal UUID01a0ae8b-b8aa-7257-a11f-98abd303c075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061722
StatusPUBLIC

Content hashes

Canonical text8be55c5f1fb308c553c8bf611bd5521b33782bf61b144993855f7efadfeb8dab
Markdown28562cb74a212fce579a546377bc2ff57e55a538166a4c1c76a5087053982bac
PDF
Publication page25728d629a26a7649ec5cf67c3f09b83f282dae3b41f0d8ffcf631a957af63e8
Manifest8609bc5129ac0462970d4d4780c48386654dd57d3d3756b04bd1e92941991bcb

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
Signature9uKPJ3KP5xnSCcUnWj+o2r2WoaPh8tr/rh6102PshsnfrXzB/OkekIlfMFKXLRGLrE3fuHPTChnfk8FUnJzNCw==
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

2026-09-17T10:40:18.059800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061722
observed 25728d629a26a7649ec5cf67c3f09b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.038361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061722/manifest.json
observed 8609bc5129ac0462970d4d4780c48386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.017402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061722/publication.md
observed 28562cb74a212fce579a546377bc2ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.995950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061722/publication.txt
observed 8be55c5f1fb308c553c8bf611bd5521b...
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.