OpenTechnical

OT-2026-000062122

Publication integrity record

Four pad foam 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-2026-000062122) never changes.

Identity and time

Publication numberOT-2026-000062122 · never reused
Internal UUID01a0ae8b-b8b0-7d17-92e8-4b262f102be6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062122
StatusPUBLIC

Content hashes

Canonical textd44e0cdffa4a6395be0e39c37e8707f8eb0871cd3763c4885ef79d608f5d265b
Markdown1e1fce58635cc37228c470ea268e4365d48f37b9c24aed37f3d595bc71b6ff73
PDF
Publication page2ffedc470c0c319905de02352b44f8816334c2a1b2cb2c96263db420ca77158b
Manifeste797b1ba9729d3091099ceacb7f2d0b6a39101f04e8edbba3b2a971bcbaffeaf

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
Signature9qoNNMEPUL/nVQ6pmzBdCnE3YdoL7sB534zLFkf+IBW7HdRO31O7WBa8v+V3E1/vsaVALgXy4lCQLoj4ZVMyDg==
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

2026-09-17T10:41:11.100003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062122
observed 2ffedc470c0c319905de02352b44f881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.080833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062122/manifest.json
observed e797b1ba9729d3091099ceacb7f2d0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.063523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062122/publication.md
observed 1e1fce58635cc37228c470ea268e4365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.045649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062122/publication.txt
observed d44e0cdffa4a6395be0e39c37e8707f8...
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.