OpenTechnical

OT-2026-000063534

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000063534) never changes.

Identity and time

Publication numberOT-2026-000063534 · never reused
Internal UUID01a0ae8c-f945-7d66-81a1-65ff7cd97900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063534
StatusPUBLIC

Content hashes

Canonical text7a58d6d67b665cafd2847b4d6382167b4ebaa4bc6182d7a913baa8e482d03f0c
Markdownb967a99bd210be42f12359a02caa29eba884a52392e42bca46abac5ae227d604
PDF
Publication page6117d7930b7ad32275b65035c37fa8dc666335d88999d7ed872f9b2f5949c8dd
Manifest3c43f04b5d8e433ccf54327c710c4b10c1adcf5e6d2e8299b3b10dcef9362ffa

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
SignatureDaqk4h5kj2jMDVwJ6XJwPIAAh1H8Agnuun64FIPgiilgqU6wTlOOQRMVU0ySFKINiDwprPdDt08bXQWQhyREBw==
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

2026-09-17T10:37:31.615007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063534
observed 6117d7930b7ad32275b65035c37fa8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.591075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063534/manifest.json
observed 3c43f04b5d8e433ccf54327c710c4b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.568388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063534/publication.md
observed b967a99bd210be42f12359a02caa29eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.547027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063534/publication.txt
observed 7a58d6d67b665cafd2847b4d6382167b...
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.