OpenTechnical

OT-2026-000079416

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079416) never changes.

Identity and time

Publication numberOT-2026-000079416 · never reused
Internal UUID01a0ae96-0b91-749e-a4e7-f089498a26a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079416
StatusPUBLIC

Content hashes

Canonical text79b65fe9d36455d8643571ff2e6e98336e4542b1e356c767e844d436aac2ff40
Markdown882aa5bd1e615a3792f690c11156c0efe039390a8be15142c7e43cd49f8d1fb9
PDF
Publication pageea6f644b18d4779b0edc5654d0ccfd7401e1443c8301dc3a1ee472fe39d9158d
Manifest17b16060d6995d44dc1ecff835e9ee47775dba021ac4544995ecac998217b96b

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
SignatureYVUqf+128kwI/p3sAHlaAYay9Kdkzhpz5me24n4iYVnv5zz5WZPVASqL70Vj+qm+vWcYBWwLyob5H50coq35DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:02.496397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079416
observed ea6f644b18d4779b0edc5654d0ccfd74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.475802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079416/manifest.json
observed 17b16060d6995d44dc1ecff835e9ee47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.458719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079416/publication.md
observed 882aa5bd1e615a3792f690c11156c0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.439407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079416/publication.txt
observed 79b65fe9d36455d8643571ff2e6e9833...
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.