OpenTechnical

OT-2026-000049742

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000049742) never changes.

Identity and time

Publication numberOT-2026-000049742 · never reused
Internal UUID01a0ae81-8fef-7ef2-96d2-2ed0117f3bea · 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-2026-000049742
StatusPUBLIC

Content hashes

Canonical text876b2f75de05ee69af5a6f66d46ff66289715390272e9bc21eb0cb176bb16e9b
Markdownc3e533e4acc81ce94ba46815a6c3450b164b9f4942590668be55bdaba62c6f66
PDF
Publication page4f626d631000d64006ec957a16d31e03beca6bca469be42ce15d98a5b96ec52b
Manifest6566d46ee85a4bed5cde46b10ce1b1f731afc998f5666dd286b91c9892227a96

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
Signaturegxh6YSxNcbeGUwmn60fBXFvpZ9GbAU2AG6NVkde9hhn0Q/dpu6uQat3pYpzKpXptGgSzsd27rSAYjZy9pAWzCQ==
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

2026-09-17T11:02:46.152619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049742
observed 4f626d631000d64006ec957a16d31e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.130342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049742/manifest.json
observed 6566d46ee85a4bed5cde46b10ce1b1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.111335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049742/publication.md
observed c3e533e4acc81ce94ba46815a6c3450b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.090759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049742/publication.txt
observed 876b2f75de05ee69af5a6f66d46ff662...
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.