OpenTechnical

OT-2026-000046632

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000046632) never changes.

Identity and time

Publication numberOT-2026-000046632 · never reused
Internal UUID01a0ae7e-57de-79f2-91d9-d63bdf7cfdd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046632
StatusPUBLIC

Content hashes

Canonical textbc16ac2c33d3fee211b2853857bfe0c4f36bc737120c793622dc221f529aaa51
Markdowne334a977d3ddb96313ef18e3f56def81af693bab1d380e223e4cfb2374e529d0
PDF
Publication pageb9f43308b79328a1c11575e7eecfdd87c824c7bc6b3f462b99f76f6507a27f1d
Manifest3d1706841c4541f2aec797c8a713ae830baafff7bbbd520856cb5316fb9a804e

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
SignatureX3Wn4UTbhsJMe3pVIMNVb6FnJswIMAK/5LglXU1Q2taGoSsWTtN7d3+UbiuOrTdU6D3KZ7hHAYGnO4lgKBCCAg==
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

2026-09-17T11:08:43.133550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046632
observed b9f43308b79328a1c11575e7eecfdd87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.115338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046632/manifest.json
observed 3d1706841c4541f2aec797c8a713ae83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.097588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046632/publication.md
observed e334a977d3ddb96313ef18e3f56def81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.080749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046632/publication.txt
observed bc16ac2c33d3fee211b2853857bfe0c4...
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.