OpenTechnical

OT-2026-000032744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000032744) never changes.

Identity and time

Publication numberOT-2026-000032744 · never reused
Internal UUID01a0ae75-1071-7043-9ce9-91057dd55a11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032744
StatusPUBLIC

Content hashes

Canonical text06b412f8edc62041a52ebf6c44e1fa8e236280c7145f2f4f7486d0da9b19ab3f
Markdown780b338ce27b875483fb5cc5a609064ad2dc49f04a655ebccde3a93f0a97ebfb
PDF
Publication page1e89a01a99f1442b21ef63212643d236e7d273777873faa807ae737720d6627f
Manifest3d9ddceb3fafb3aeabf112f0291b4033dd647841006e4ee0ed58325c7350dd20

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
Signature4S0DIUPSjSoi4bw2wTEB7lpgpVc/pDAG68PXDT51C+kqTbfcNc5Vb1no0TCMT1ZkHmxzVQm1nMMsruVAcpOLBw==
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

2026-09-17T11:34:22.034974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032744
observed 1e89a01a99f1442b21ef63212643d236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.016646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032744/manifest.json
observed 3d9ddceb3fafb3aeabf112f0291b4033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.998013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032744/publication.md
observed 780b338ce27b875483fb5cc5a609064a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.979512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032744/publication.txt
observed 06b412f8edc62041a52ebf6c44e1fa8e...
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.