OpenTechnical

OT-2026-000056671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056671) never changes.

Identity and time

Publication numberOT-2026-000056671 · never reused
Internal UUID01a0ae87-7af6-7645-9d1d-002f5916be9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056671
StatusPUBLIC

Content hashes

Canonical textf07cef4a4f32112cf527b68b77139bac86194a275bc0e15af20d030d7ca96cc2
Markdown2ae39624589ab3a33c089b525b93b912688604ad30acb18f5003a41cd920154a
PDF
Publication pagebf4315413926c78898b590bb053f263574aca3e8b123d06df85315930016f1d8
Manifest29268bab910f9ad2213bcdc2ac052cb7ea53b52d983e8e1fcf6fc4dc7056735a

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
Signature4ywo49wwGKZNmxFg/pEBbxeOQVN4ahh4MyglnZpR0El9VcJb/zV+KNdFqCskkukYtdSi6QkgO7JcYBL89XHKCQ==
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

2026-09-17T10:50:04.022327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056671
observed bf4315413926c78898b590bb053f2635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.003187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056671/manifest.json
observed 29268bab910f9ad2213bcdc2ac052cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.981239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056671/publication.md
observed 2ae39624589ab3a33c089b525b93b912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.961942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056671/publication.txt
observed f07cef4a4f32112cf527b68b77139bac...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent