OpenTechnical

OT-2026-000061014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000061014) never changes.

Identity and time

Publication numberOT-2026-000061014 · never reused
Internal UUID01a0ae8b-12f3-7b97-8362-5ca4336645b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061014
StatusPUBLIC

Content hashes

Canonical text8b9e52d0f11a76cd61214e8a56b50ff12fa051c622c3bec611e0c186cf00eb9c
Markdown6d8ea74489a438ff8e544cc5f566e490d83f4b85b6320c2bf2c12f89b24f3927
PDF
Publication page2e003cee19518d58ec73d3f293c5cb48aca1067da52b39dc0e7d65d3ca59f655
Manifest6449340fd263afd475eba6bab89c57931d43319cdd281b8732be1776d44418a8

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
SignatureRWhX7IciHSY9voYDEJNeuO3dq66iKXKT/wG2uUUBW602CdZ10y2VHi88LqqSyXy9o1bNU4HzZiRkrYvRa2/lBA==
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

2026-09-17T10:42:18.430533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061014
observed 2e003cee19518d58ec73d3f293c5cb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.411299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061014/manifest.json
observed 6449340fd263afd475eba6bab89c5793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.394375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061014/publication.md
observed 6d8ea74489a438ff8e544cc5f566e490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.377288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061014/publication.txt
observed 8b9e52d0f11a76cd61214e8a56b50ff1...
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.