OpenTechnical

OT-2026-000047640

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000047640) never changes.

Identity and time

Publication numberOT-2026-000047640 · never reused
Internal UUID01a0ae7f-c41e-7dc3-a95d-e1a1f0d9f08b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047640
StatusPUBLIC

Content hashes

Canonical text8c403c9561aab4632f357be010c7774aa0c91045b7094e4bc6556e55cff50941
Markdown452eed74dea750a0aa2e19bd1b7b3dab4fff9f140bb51fbd6dc76f5ed7885c63
PDF
Publication page1f92d8a4c20cb89cddfa79258f9abd00f6452c96efaab7dcc378de05bdf56985
Manifestde5a54d7fc290b4824dbaff45f33e8274605d9518ae95b76e68993545818e4e8

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
SignatureEhI0TRYDclL7DvsQMJ2ncYzdEHFPVOG+g7tkKuvmZ65Dg+kAE3aVq+qokiDGazGUePnpV8+4Fjf8VlGdbwR2Aw==
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

2026-09-17T11:05:28.225009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047640
observed 1f92d8a4c20cb89cddfa79258f9abd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.204113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047640/manifest.json
observed de5a54d7fc290b4824dbaff45f33e827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.184402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047640/publication.md
observed 452eed74dea750a0aa2e19bd1b7b3dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.162935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047640/publication.txt
observed 8c403c9561aab4632f357be010c7774a...
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.