OpenTechnical

OT-2026-000050446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000050446) never changes.

Identity and time

Publication numberOT-2026-000050446 · never reused
Internal UUID01a0ae82-5c48-7db6-8238-962de8f82333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050446
StatusPUBLIC

Content hashes

Canonical text1a248d3c2157aad4282d259425a885c59701de3712db6e4b7835396481414c5a
Markdown3ff194f67a18ccc090a16fb40ab13310c5e91bcc627230739d2bd4c04e316650
PDF
Publication pagef3c18efe940342a11f27be291fcb7fd416f62c6cbb75a484bb0d8f5998a62f3a
Manifest5c98252b9e01ff5182460475351c861f4ae1bc975474bc8853354fb220644726

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
SignaturezTt0sq82ByiWOzPQGz0cBvOFehVa9vxwZqs1cZnNUHxmgiF2fV/R9ETr45pgA1F+wDCk6vKzYDl8FmBd447NDw==
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

2026-09-17T11:01:29.692046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050446
observed f3c18efe940342a11f27be291fcb7fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.675173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050446/manifest.json
observed 5c98252b9e01ff5182460475351c861f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.658180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050446/publication.md
observed 3ff194f67a18ccc090a16fb40ab13310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.641487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050446/publication.txt
observed 1a248d3c2157aad4282d259425a885c5...
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.