OpenTechnical

OT-2026-000040659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000040659) never changes.

Identity and time

Publication numberOT-2026-000040659 · never reused
Internal UUID01a0ae79-6d0e-75e7-abc0-9c7549d4bb7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040659
StatusPUBLIC

Content hashes

Canonical text0d95b38d9b98b5f24554de0adf7174bf323ba7d3c817a5277fa6ec50b02ddff2
Markdown45c55de5566f1c1717e831b03952ac2e6f6f92d2c9439c5e55acecddf3b3b9c1
PDF
Publication pagea3c1a72a3a815ae798edb5d653b9c9b6c671b8680fe83329fed3cc5d8e9ee34f
Manifest607bdee05edf21caf5dc9af9152bd7dff064290968054dbb433828dc952f6bc0

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
SignatureH0IriAr/kqTb6K+XagkdjKTxFxkx1swamb65YYG4hwBkQs47svykShQnzGZ5BqaxUUahmOvVmWtK3YWNwAcYAA==
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

2026-09-17T11:17:50.995664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040659
observed a3c1a72a3a815ae798edb5d653b9c9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.977683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040659/manifest.json
observed 607bdee05edf21caf5dc9af9152bd7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.924221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040659/publication.md
observed 45c55de5566f1c1717e831b03952ac2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.874394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040659/publication.txt
observed 0d95b38d9b98b5f24554de0adf7174bf...
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.