OpenTechnical

OT-2026-000058745

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000058745) never changes.

Identity and time

Publication numberOT-2026-000058745 · never reused
Internal UUID01a0ae88-f39e-7f33-b31c-7b4a657ab6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058745
StatusPUBLIC

Content hashes

Canonical text511d3aa40a605546105e43a0bd2b85a41eb3c8dcf920554b4989eeef2b601944
Markdown6d502b9ebe0193703c0bb4a95de3ab561c63f5270fbe3fad7ef5a2b1c34c9717
PDF
Publication page4b69725414beb502a9d03fb8d37db6c93430b04e7e4d0715d77d2a0f9b9cda40
Manifest8d1e52fbe658483f70351ee7fa26451760cf72366c2fb060754de8ce99bc18d0

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
SignatureZmA5xyB6PNGqi6gBQm2Ijy4ZlIkRCUikZjWZz6p6ci9YFt7rvZ2/j+2dapH6Raed4S/4pel33FYCtKYXw1dUCQ==
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

2026-09-17T10:47:16.898099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058745
observed 4b69725414beb502a9d03fb8d37db6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.880577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058745/manifest.json
observed 8d1e52fbe658483f70351ee7fa264517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.861790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058745/publication.md
observed 6d502b9ebe0193703c0bb4a95de3ab56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.841982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058745/publication.txt
observed 511d3aa40a605546105e43a0bd2b85a4...
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.