OpenTechnical

OT-2026-000038412

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000038412) never changes.

Identity and time

Publication numberOT-2026-000038412 · never reused
Internal UUID01a0ae78-2d52-77ae-952c-219ad2ce60f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038412
StatusPUBLIC

Content hashes

Canonical text50e55aaeae960e0eabba929fe52390d74ac8531511958f914e92f3fa4978f5fa
Markdownba704a8d16b612b77ec550185e0e41d4df47a06cbf0e8d42168bbf2bc99ec29c
PDF
Publication pagefa365a23717ac4db71e9c2a9cd2a947fdfecda191fa122ffbb7202e267626caa
Manifest0d8ed58d7f6b238becdb8b1df9f5c403b39e6efeb8d50027af41bd7fb62509b6

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
Signature/EgJnun4rE1jrjB53YCXsGTrj5DFSb7vPtVk8umB8++V9TnpG9Q8gHM7VPo4oJVd2QVWrAy+zrN34g8lftMcAg==
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

2026-09-17T11:22:37.309735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038412
observed fa365a23717ac4db71e9c2a9cd2a947f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.291683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038412/manifest.json
observed 0d8ed58d7f6b238becdb8b1df9f5c403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.273770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038412/publication.md
observed ba704a8d16b612b77ec550185e0e41d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.257618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038412/publication.txt
observed 50e55aaeae960e0eabba929fe52390d7...
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.