OpenTechnical

OT-2026-000060993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000060993) never changes.

Identity and time

Publication numberOT-2026-000060993 · never reused
Internal UUID01a0ae8b-12f3-7b0e-8508-9418e27633d4 · 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-2026-000060993
StatusPUBLIC

Content hashes

Canonical text1025eb23a0909558f475f577302286e23b49bc4b5361e9c7419717ac124d7a13
Markdown3579e2e5b899c9bf0e96e701a221fb49f7924233888cab3982a07f8d1223e6fd
PDF
Publication page6479f180ba63fbb59dada7da014250118a55a97959faa25c0d5c20a1f32d29bb
Manifest28e100250b9f67d6033dfce8a0724b12a00b852e116b90a4987d97fbeabc4937

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
Signaturei3lnszUmSxvYd8EKjt3dlSBOjLdfckzlRHpd8tlphq0iy/rhGcZUpUQesoaYkz7JkmvWj7G3mAA5OFXN2hpVDg==
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

2026-09-17T10:42:16.846974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060993
observed 6479f180ba63fbb59dada7da01425011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.828602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060993/manifest.json
observed 28e100250b9f67d6033dfce8a0724b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.810271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060993/publication.md
observed 3579e2e5b899c9bf0e96e701a221fb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.792106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060993/publication.txt
observed 1025eb23a0909558f475f577302286e2...
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.