OpenTechnical

OT-2026-000017940

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000017940) never changes.

Identity and time

Publication numberOT-2026-000017940 · never reused
Internal UUID01a0ae6e-96fc-7994-bc6b-99c08cbe744c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017940
StatusPUBLIC

Content hashes

Canonical textfdbb37200c2efefd5e4abebfd3566421aad309397d68d70a3b12cece5a8bebe0
Markdown91f2edbc9fb09cee235118a8e18a83e12446ab8bf2d186b09418108b422944c4
PDF
Publication pagec46280e350a0ca50a451a60b785c31b9835b0c135c0edd99e10225deed034916
Manifest10d183d83be95bbb0dde3f97c407cb1b5131afaeb13a557bd909878395a470b2

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
SignatureUmqj+QiojMD1d2Z8Cj5JLbrpGZe3lGJjh0mKRsgUsDyFesRR8h0SYBHyWBk/4RwYawpJCjujipu86bG53rVpCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:01:56.271398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017940
observed c46280e350a0ca50a451a60b785c31b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.251989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017940/manifest.json
observed 10d183d83be95bbb0dde3f97c407cb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.232952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017940/publication.md
observed 91f2edbc9fb09cee235118a8e18a83e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.207670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017940/publication.txt
observed fdbb37200c2efefd5e4abebfd3566421...
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.