OpenTechnical

OT-2026-000019836

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019836) never changes.

Identity and time

Publication numberOT-2026-000019836 · never reused
Internal UUID01a0ae6f-1fb5-7cbf-8554-8db60e844c30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019836
StatusPUBLIC

Content hashes

Canonical text3e8e1eab96be9758b8009e46032499cf6abd21b4129d3543411409c8aaca1bf9
Markdownf52b78b1500470b615675d4165ae0c95d714de69db41718cac5ef9114d01d2fd
PDF
Publication page95ab88f6ddf8ed8b8f731a908cf9c8ab51179ced5893ecfa620d1b04e2d9daf9
Manifest8bfb393535639c251563b91e0c0b63d804393cb254175e755487a420af32c6c3

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
SignatureIs/n9MdOq7MKm/a/SwX/PHte9tqt2W/nB7UArZmEo/DwtjrNs53VwnvIBmhffmDLWYcNKjF1G5LLqlK6ZzJfBw==
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

2026-09-17T11:58:01.885600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019836
observed 95ab88f6ddf8ed8b8f731a908cf9c8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.866456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019836/manifest.json
observed 8bfb393535639c251563b91e0c0b63d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.848769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019836/publication.md
observed f52b78b1500470b615675d4165ae0c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.829134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019836/publication.txt
observed 3e8e1eab96be9758b8009e46032499cf...
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.