OpenTechnical

OT-2026-000060209

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000060209) never changes.

Identity and time

Publication numberOT-2026-000060209 · never reused
Internal UUID01a0ae8a-5a73-7c52-b354-480b427172a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060209
StatusPUBLIC

Content hashes

Canonical text08ee3e21d644fc0767b8fbf5973342cfe191aa6b503250e35475971c5d57d408
Markdown69fbedc2039c677444d55ee1ee0b54419a1c6c4d31b8acdb4fef213067030ccc
PDF
Publication page38ea038af2b6036ec64fd047bb4bd2f46753210db7cb923e7e69c837a737c38b
Manifest51726e681dffe4f98946aa8364fd809a78d711be4958a6944783272299f0ee95

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
SignatureAO8rPj+AEku7j2BGBMHOqfcDuheJRD68AvxVYkN3EBV1QI3bwxvwCyVyNs02b8LMFJIzg4lFEq35ZQL4Jy5EDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:52.943476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060209
observed 38ea038af2b6036ec64fd047bb4bd2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.926800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060209/manifest.json
observed 51726e681dffe4f98946aa8364fd809a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.907191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060209/publication.md
observed 69fbedc2039c677444d55ee1ee0b5441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.887734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060209/publication.txt
observed 08ee3e21d644fc0767b8fbf5973342cf...
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.