OpenTechnical

OT-2026-000059809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, vented after 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-2026-000059809) never changes.

Identity and time

Publication numberOT-2026-000059809 · never reused
Internal UUID01a0ae89-ec25-7a7a-b2b5-42d828961736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059809
StatusPUBLIC

Content hashes

Canonical text2fb410ec2521c755f863d47bd8cc624c8dae7080c2dce772c5e9183b12a402c7
Markdown7f76c11989479cfaf78ab6f3d15e15f8d074d1f4d143cb7e847b646c31da14f7
PDF
Publication pagef5a1af58cef2b685f0f72bff1d3474d58b3e21bd1a39e63e03fe64ee255df9b5
Manifestac2a182737b5a0150f8bf40018098ae7306fb10667866d1fe11a65acfe511879

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
SignatureeoXmdtUpc2AO1bqFm97pA8ODiESetodvzNVmlyIcrP6gZlDI8aYWJfMblsARNaCCEPUycphFQBASRIENOt9VCg==
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

2026-09-17T10:44:32.825232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059809
observed f5a1af58cef2b685f0f72bff1d3474d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:32.806226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059809/manifest.json
observed ac2a182737b5a0150f8bf40018098ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:32.787851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059809/publication.md
observed 7f76c11989479cfaf78ab6f3d15e15f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:32.768237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059809/publication.txt
observed 2fb410ec2521c755f863d47bd8cc624c...
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.