OpenTechnical

OT-2026-000044107

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000044107) never changes.

Identity and time

Publication numberOT-2026-000044107 · never reused
Internal UUID01a0ae7b-d67a-77c3-ab13-7c760d68dccb · 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-2026-000044107
StatusPUBLIC

Content hashes

Canonical textdbc477648b85a3159260c4235b76abc4f116d2c3cf5399c18d531eecd09c71a9
Markdown6eee3e16d970ab7f0f5581aa021f06083e2e97f70e50e7da42a7f06b7b9ab198
PDF
Publication page87d41b5e33f8d7e73fb5bd9b44fd9195e16386ebc08093f4159d7cb15247d2b9
Manifest5d758f92724278830398611923d90ec8d438558060a3eed21283dfadba92429a

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
SignaturerXQO0Wrp8K9RArMUKqhjncjYre4Uohz6nx5Q3YI7rS+bEL63DFobWWbBCSd636od6jn0rq2jVQQ2LV0QXhayDw==
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

2026-09-17T11:12:31.115427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044107
observed 87d41b5e33f8d7e73fb5bd9b44fd9195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.095232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044107/manifest.json
observed 5d758f92724278830398611923d90ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.077888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044107/publication.md
observed 6eee3e16d970ab7f0f5581aa021f0608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.060853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044107/publication.txt
observed dbc477648b85a3159260c4235b76abc4...
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.