OpenTechnical

OT-2026-000072310

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000072310) never changes.

Identity and time

Publication numberOT-2026-000072310 · never reused
Internal UUID01a0ae92-47c3-77a7-80e1-f682190aa367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072310
StatusPUBLIC

Content hashes

Canonical text5dfbe4605fa9b9dfc24b45f06cdc2da9a4d31996deed8447c3fc1cf6f1919520
Markdown5bac13ff270f698da7deb951ec5a4740b4123e09cc8300f21cca758dd72a988d
PDF
Publication page7b2ec47ae90863ba0afa046a3e6bc60fa1fb22d77a946928fad176ae500d7ede
Manifeste4026d17fb8c507f4f1fbae7484cfa6db8623d05e605c6a0037ddbd3e5efab07

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
Signature3vpvL+iGN6EI7RfhQxT3vO3IMnz/4xQeZxIDJV94lghvAzBPgu13ZfBhrdnqZExXWOgA4EPogSBAVApLU5IfAA==
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

2026-09-17T10:23:32.059073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072310
observed 7b2ec47ae90863ba0afa046a3e6bc60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.041920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072310/manifest.json
observed e4026d17fb8c507f4f1fbae7484cfa6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.022817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072310/publication.md
observed 5bac13ff270f698da7deb951ec5a4740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.982390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072310/publication.txt
observed 5dfbe4605fa9b9dfc24b45f06cdc2da9...
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.