OpenTechnical

OT-2026-000060225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000060225) never changes.

Identity and time

Publication numberOT-2026-000060225 · never reused
Internal UUID01a0ae8a-5a73-7ced-aed2-95977c631155 · 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-2026-000060225
StatusPUBLIC

Content hashes

Canonical text07185b5f7c705549aa65831ff3b54c44c29d44959ef175084c246b0f6060774b
Markdown09076929c990329b1a1486e3a0ff5f8146f61c8a9970a2dc5121a887a118bbc5
PDF
Publication pagece9ed5658d85595894b98c0a6091cd9c582c4777acb3e8df80fa7a1c73362948
Manifestd10bc3a3771d1eb2658be98506ec6e3225f97bfcd9076ff540dbb4e27b5cedbc

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
SignatureUVFBL8qXmSRT5NwxEuD31rzmxGXbKMxVtJY6FYxUIGfow46bXOxTveL7+wJu5zGNTtF1W0K7rDAAUIFCSnqkBw==
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

2026-09-17T10:43:54.143205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060225
observed ce9ed5658d85595894b98c0a6091cd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.126392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060225/manifest.json
observed d10bc3a3771d1eb2658be98506ec6e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.106194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060225/publication.md
observed 09076929c990329b1a1486e3a0ff5f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.087456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060225/publication.txt
observed 07185b5f7c705549aa65831ff3b54c44...
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.