OpenTechnical

OT-2026-000063186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000063186) never changes.

Identity and time

Publication numberOT-2026-000063186 · never reused
Internal UUID01a0ae8c-94ab-7bf9-972a-961a3acefab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063186
StatusPUBLIC

Content hashes

Canonical textaaca82d8b689a749cd82d8d48bfbdfcd6394de63060c30400f50c79e7f600877
Markdown4fc8331720eae56882187c6cac3e9184232134e9a9a7e7713ab12b89c98928ee
PDF
Publication page31b0aef1ed5f38348fcc54d86e3ebb5b3df3e2ee491a8ef18dd8c2d16328a8ef
Manifest283adc6750c64f57f8ff74b1d945db088ce7a5d21debd0067e5a237b7bf61fff

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
SignaturelaczLXnqyhXoHiGW2RT/CuVpUTa8QqpOY+CxFLjNlQsC/lR/0kCk6VRLsc/qHyvnIA5T6x7d7l4VFh/nG7NmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:58.892364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063186
observed 31b0aef1ed5f38348fcc54d86e3ebb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.873348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063186/manifest.json
observed 283adc6750c64f57f8ff74b1d945db08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.854230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063186/publication.md
observed 4fc8331720eae56882187c6cac3e9184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.836580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063186/publication.txt
observed aaca82d8b689a749cd82d8d48bfbdfcd...
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.