OpenTechnical

OT-2026-000064325

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000064325) never changes.

Identity and time

Publication numberOT-2026-000064325 · never reused
Internal UUID01a0ae8d-a460-791b-ad5e-c3f7f80ef5fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064325
StatusPUBLIC

Content hashes

Canonical textcec0598e8ef179727e2c9a24432a40c37c28972ca262152bbafcf97e47cc1c74
Markdown87209616b18011d98189cd405fa4a4a0df176f7d08ccccf0f4c5262b39ddb5b0
PDF
Publication page5c20a124858d08194b6b787f1dcb42d04be75eead6b4c87681b594764057fa72
Manifest8ee003531b86cfbbf14f414eb75971574649f73579f91b85cec59ead0035b33a

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
SignatureZqWS/OmZlPaaERfW10LfgIMbgxxW6fQInWq+m/Y+lu1xtdgWvftDspk/ZVLbL+FWCpVogF+5EENdfx3eugWEDg==
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

2026-09-17T10:36:28.759340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064325
observed 5c20a124858d08194b6b787f1dcb42d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.740826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064325/manifest.json
observed 8ee003531b86cfbbf14f414eb7597157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.720011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064325/publication.md
observed 87209616b18011d98189cd405fa4a4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.699687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064325/publication.txt
observed cec0598e8ef179727e2c9a24432a40c3...
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.