OpenTechnical

OT-2026-000077912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000077912) never changes.

Identity and time

Publication numberOT-2026-000077912 · never reused
Internal UUID01a0ae95-2ed1-7a81-9bff-c7c1bd594119 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077912
StatusPUBLIC

Content hashes

Canonical text58f4fa9c5c859f1a3c88c699ed76647f619008216498b45d95acbc7f554818d9
Markdown7ae8d19187f5a32be06cea022d5fe8e736ba9dea6cb10e8955bd81289b85f383
PDF
Publication pagea3991560442bb7df1ec893ec4ecb89bb110d5922f907b3b4d2f8162fee7cd217
Manifestf1f530abbe640ff1f0ee91c47fd2f261aaa4bd731a852e32cc1fb49425057006

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
Signaturelb6jPtxhjseipY0Eko7eTEsw6hcouC9oUug+Wwsv3wFqvzK+YlZYJGLP2EzGpH9X2loaHclGTKQf4Un07a7gAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:39.774680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077912
observed a3991560442bb7df1ec893ec4ecb89bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.753828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077912/manifest.json
observed f1f530abbe640ff1f0ee91c47fd2f261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.711046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077912/publication.md
observed 7ae8d19187f5a32be06cea022d5fe8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.692476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077912/publication.txt
observed 58f4fa9c5c859f1a3c88c699ed76647f...
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.