OpenTechnical

OT-2026-000049394

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000049394) never changes.

Identity and time

Publication numberOT-2026-000049394 · never reused
Internal UUID01a0ae81-8f7b-73b4-b8e4-8b915ab5caea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049394
StatusPUBLIC

Content hashes

Canonical textdc00f2aebfb91b7ffa559112df3698a3b9e6b9a045a593767fb4a67c23650b10
Markdownb2bb80245dea3215819c428b11abd97edfb71c198471bee1dab92d9ea088be55
PDF
Publication page2981c2546488ebf767c98127dd56b7fb422ad612ee87d7b5b067893c91ce4994
Manifest509bbc21e59f066d29babcfa1b9f69cdac766c2e7a43963d9a6f540fee8c3af6

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
Signature5zZoYzIh70IjjHBjd2vB9JKiPptgaAz5qe8b+UNunTVOO2vjlpPR3YDHaVkIcDk8zJCzEYqe4dJ8Z/kaEaRqCQ==
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

2026-09-17T11:02:12.574468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049394
observed 2981c2546488ebf767c98127dd56b7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.555265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049394/manifest.json
observed 509bbc21e59f066d29babcfa1b9f69cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.536411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049394/publication.md
observed b2bb80245dea3215819c428b11abd97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.518723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049394/publication.txt
observed dc00f2aebfb91b7ffa559112df3698a3...
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.