OpenTechnical

OT-2026-000059081

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059081) never changes.

Identity and time

Publication numberOT-2026-000059081 · never reused
Internal UUID01a0ae89-8611-7b8f-82f0-8ffa8a94f1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059081
StatusPUBLIC

Content hashes

Canonical text21e31804416f57853f17ce54678f3d28c16bed1b06437ab049150e7132ff3e0b
Markdown266c1cafb3b86951846183afeed50f030b04f5118f03ed1b4c403e469b7076e1
PDF
Publication page74eeb509a8ce941b10619f2bddcd0510779a9e015f12de10c5cd802164eb8c88
Manifestfb54217e3104272a18549086abd530c837edd02d675c21e7dc3799d0ea07a134

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
Signature5r6ptpDPRDLEJlJNoNf3OYlUA3MeY2sVXkdQ9HRoFquns/gtJlmCxAOak+HnHeULR8KrkE9clPzmdQT4TW/XAw==
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

2026-09-17T10:44:54.426058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059081
observed 74eeb509a8ce941b10619f2bddcd0510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.408956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059081/manifest.json
observed fb54217e3104272a18549086abd530c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.392248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059081/publication.md
observed 266c1cafb3b86951846183afeed50f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.373196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059081/publication.txt
observed 21e31804416f57853f17ce54678f3d28...
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.