OpenTechnical

OT-2026-000026028

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000026028) never changes.

Identity and time

Publication numberOT-2026-000026028 · never reused
Internal UUID01a0ae71-a840-716a-a427-d024997e525e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026028
StatusPUBLIC

Content hashes

Canonical text0e1e8214dfde09ea51f2fc34a60efb945e39ee11b4a4a6f3512cf71681de9758
Markdown7a01a879790a4d3a9df3f1b8be8d0d9e0c22cb528787d9706cb52ee7581b8222
PDF
Publication page784c6bb54fcf606ef7d60e1a49fbbb427541c09f0486866420110cb5e792bd7f
Manifest10a285065410d7c447cf3203307768aabf2a3965e4ff62c6651ff5341fc6342f

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
Signaturep07zsa4eTVAsmjvXs4MFFgeohJzBqtgiwcefgYP+Dd9P8LoVm7SmkBhKeskK+23Hwo/lgPec9X0gyxmhl6IMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:24.790474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026028
observed 784c6bb54fcf606ef7d60e1a49fbbb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.771869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026028/manifest.json
observed 10a285065410d7c447cf3203307768aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.752871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026028/publication.md
observed 7a01a879790a4d3a9df3f1b8be8d0d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.732929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026028/publication.txt
observed 0e1e8214dfde09ea51f2fc34a60efb94...
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.