OpenTechnical

OT-2026-000051951

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000051951) never changes.

Identity and time

Publication numberOT-2026-000051951 · never reused
Internal UUID01a0ae83-e78d-7c13-8aa7-c382e9fce066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051951
StatusPUBLIC

Content hashes

Canonical texte0b1086c6fccfc4e6f3df0cd99d4bee3ffa8c5ac84b097909f8ae7ec9a7698c0
Markdown92257628c42a402778fcf0ad64cdbb294283e16e992604738b97cbdde052adc4
PDF
Publication paged4457ea9af033b567fef2bd47f80fcaf1a7cee10ff98b2ab0ac29f1ef86c87b7
Manifest693f37a912a355769800f8b1f651632ecb2135e33c3b9afc384f0dc56960d6c8

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
SignatureWjMmA2sSiube2phvBuDez8dxVzSMGqxNmmCJE+74VFzydvAxwF1XFvEjp6PvfMq1jXXkw501OqNWgKfENe4+BQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:26.682354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051951
observed d4457ea9af033b567fef2bd47f80fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:26.665011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051951/manifest.json
observed 693f37a912a355769800f8b1f651632e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:26.648339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051951/publication.md
observed 92257628c42a402778fcf0ad64cdbb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:26.630372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051951/publication.txt
observed e0b1086c6fccfc4e6f3df0cd99d4bee3...
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.