OpenTechnical

OT-2026-000049146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000049146) never changes.

Identity and time

Publication numberOT-2026-000049146 · never reused
Internal UUID01a0ae81-134e-7641-a697-79cfee915372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049146
StatusPUBLIC

Content hashes

Canonical text56aab838091f2b6450c8daf472d71a57e403ebf6af84664c9cd6ed4c7ea99a0b
Markdown2d648a8b5ce2e43238e8d370a77844f7e29b38257904afbef8f958b24de7c1bc
PDF
Publication page02eb4be19fb83be50ffe133fb5d864d781d7e6654c5997ed7d9e2af18e17f1ba
Manifestd0b4d28bee332e4a1aea8a5be54c3a0f94852dcfe757b813448d28244cdd0bbf

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
SignaturehVKvtz++VzgZSpQhsOJJ8b0ZNumFVtPhyGQczjlK4KyQCyz5s3LBGdRGVd1yxNb5lwSQdXrOl7+x82OR6QeJDw==
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

2026-09-17T11:03:25.168659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049146
observed 02eb4be19fb83be50ffe133fb5d864d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.151545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049146/manifest.json
observed d0b4d28bee332e4a1aea8a5be54c3a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.133544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049146/publication.md
observed 2d648a8b5ce2e43238e8d370a77844f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.114441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049146/publication.txt
observed 56aab838091f2b6450c8daf472d71a57...
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.