OpenTechnical

OT-2026-000050140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000050140) never changes.

Identity and time

Publication numberOT-2026-000050140 · never reused
Internal UUID01a0ae82-5c45-7405-b252-96ba050d0c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050140
StatusPUBLIC

Content hashes

Canonical text1be074af5cca3e297fb814f4882e7ae9c9ca80923d96db1130e6b3962be88291
Markdown0260c339c58c90a52e16d7b7b0026d77493f2f1b858f8203fc96ecef94aacdd3
PDF
Publication page274ce395914be4f6e3ab4a583ec4410f28a2bc58fc99ebd5552c3c4af9e87c33
Manifestb4a061622e2e30406c6fe275cdd9d1b1ca4939eda4a9a9c722e0d035dbd950d0

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
SignatureuIoqUQRKIKHhX4DeMIVPslo+Uc0/Ku0AfYcVP2brzzLJ+gcys6rfA2UiQX8OXkuZJap7bCIqv3IrwVOu/UrDDw==
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

2026-09-17T11:01:06.585008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050140
observed 274ce395914be4f6e3ab4a583ec4410f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.568851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050140/manifest.json
observed b4a061622e2e30406c6fe275cdd9d1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.551119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050140/publication.md
observed 0260c339c58c90a52e16d7b7b0026d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.534505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050140/publication.txt
observed 1be074af5cca3e297fb814f4882e7ae9...
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.