OpenTechnical

OT-2026-000058141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000058141) never changes.

Identity and time

Publication numberOT-2026-000058141 · never reused
Internal UUID01a0ae88-6edb-7963-ab45-2d973a57492f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058141
StatusPUBLIC

Content hashes

Canonical textb1b243a0418bda1c86072b76619a8f95a7500f98da1a620c80d9e295755491f4
Markdown2182d06023813f4f4399e27e8abe8021429da7948344f616d4dacc4699531ee6
PDF
Publication pageec6b5d146ac7cc17dca29ce58c8c1a9f94475f91175a858675ff9cd8b49fa57d
Manifest7543fb1ee6947f8c5cba8d6e13b819e23fd914aebb70e686bf90851819c51d08

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
SignatureAUCQz4WdPe0u0sNURaasJZbLdR9kTMJMLR1frjkE1TGum5t7L3pXiLN94FV9eaIgI68UjKaCKOEK46PQ+KkrCw==
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

2026-09-17T10:47:49.481281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058141
observed ec6b5d146ac7cc17dca29ce58c8c1a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.463492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058141/manifest.json
observed 7543fb1ee6947f8c5cba8d6e13b819e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.445805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058141/publication.md
observed 2182d06023813f4f4399e27e8abe8021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.429287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058141/publication.txt
observed b1b243a0418bda1c86072b76619a8f95...
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.