OpenTechnical

OT-2026-000017632

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000017632) never changes.

Identity and time

Publication numberOT-2026-000017632 · never reused
Internal UUID01a0ae6e-96f9-7a8d-9478-b998818b66e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017632
StatusPUBLIC

Content hashes

Canonical textfbf2150d6dc66e5332a624c5a4564cb593ebd08f7cac09ac7f6caaf516f343f5
Markdown9b5a9f7fc4530560099bb4950a8abbedad3593d339e13fe2852148acba87e350
PDF
Publication page6f815e8cbafa861fd58bad8f69c43fb8d58155af0674877d2c5eaa4122293f9f
Manifest274f052fefe9ef10b28c0a8b8fdf5f6cb741876520cdc1c4a8e86644541dc7a3

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
SignaturemE1le72lrZTNWhoJJ6E0dkn/FJ5K7bkyywE6k8urmwVa0IY3fTDpu0ax8rVdvJmjgJnW3A3IBEqjo/rG/7jxAg==
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

2026-09-17T12:01:26.701237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017632
observed 6f815e8cbafa861fd58bad8f69c43fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.660000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017632/manifest.json
observed 274f052fefe9ef10b28c0a8b8fdf5f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.643116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017632/publication.md
observed 9b5a9f7fc4530560099bb4950a8abbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.604386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017632/publication.txt
observed fbf2150d6dc66e5332a624c5a4564cb5...
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.