OpenTechnical

OT-2026-000044155

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000044155) never changes.

Identity and time

Publication numberOT-2026-000044155 · never reused
Internal UUID01a0ae7b-d67b-76a5-b6b1-5954714b433e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044155
StatusPUBLIC

Content hashes

Canonical textfa0c3cecc1d93d522fd4200c202e5ed32c5f5a26d81d7bc892624a70e9c3ea0c
Markdown3fc4a3a051880f921cf84cbd44745d86c0c1a7a2c7d2f530ae1b479fadedf3d5
PDF
Publication page2a8d754e382e4e328d7b83046a7428bf33785a722a338f28551c86524db9af7c
Manifest32fc785e06c244cbefd2bf12f0708db46ba265ffc8c74d5ef057cafffdedbfc6

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
SignaturefW7+AACdKNVxklyYdNULBQyykj+JcgZMhl2XZ2fC/df0kRXC0G/bQ10GXQjpjsdOZ9Y2vGUxxu7jolC0SNg2CA==
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

2026-09-17T11:12:34.893445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044155
observed 2a8d754e382e4e328d7b83046a7428bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.872116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044155/manifest.json
observed 32fc785e06c244cbefd2bf12f0708db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.854470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044155/publication.md
observed 3fc4a3a051880f921cf84cbd44745d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.834610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044155/publication.txt
observed fa0c3cecc1d93d522fd4200c202e5ed3...
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.