OpenTechnical

OT-2026-000061061

Publication integrity record

Three cup vacuum gripper, three 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-2026-000061061) never changes.

Identity and time

Publication numberOT-2026-000061061 · never reused
Internal UUID01a0ae8b-137d-78d6-bdcc-c07171782e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061061
StatusPUBLIC

Content hashes

Canonical text329224ee06ff3da1dfb8b100b2cc91c74db19ffe1eb5fd32a96a4b8d1abc84b9
Markdownbd8e6e4b93fb7d4b1e8c59dc1032e0da27e06b7698fcf848cbeddd4e3fac62ff
PDF
Publication page744e600b30ef7d1705e3f6e9aff66289c1870df1ec95de0b98ceb2aa51ce2ed0
Manifestf1be07afdbdd28f339e2291e046215bde72a9833c0a1d5853797948f4a56c3ff

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
Signaturep6apE09ws9+eYT1oZzklnEGoxb+eM4pBvDFZUH7qtIzsxxcj47TyWso5HRJfNLRKhhh8rVXDBNU+jBiwV/sVDw==
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

2026-09-17T10:42:25.103968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061061
observed 744e600b30ef7d1705e3f6e9aff66289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.086374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061061/manifest.json
observed f1be07afdbdd28f339e2291e046215bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.067712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061061/publication.md
observed bd8e6e4b93fb7d4b1e8c59dc1032e0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.050636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061061/publication.txt
observed 329224ee06ff3da1dfb8b100b2cc91c7...
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.