OpenTechnical

OT-2026-000060536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000060536) never changes.

Identity and time

Publication numberOT-2026-000060536 · never reused
Internal UUID01a0ae8a-b7cc-70e3-8612-1b5adda0fc5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060536
StatusPUBLIC

Content hashes

Canonical textff9bd08b712098ff8a1ff1a1bfb06119b443504653748ab7ee4879896066a8a5
Markdown680255581cfc9a225531fb9e7eb255e13c99f6d049c79ea793106b56ab313c29
PDF
Publication page7ff8de70a3dbdc6f9a932a48dd6596316634292a398a15d302c293e5a3b98010
Manifest17d51b0424cad5c7e10c1bca0140e8ccc96b1d53ff5f1b22f492e4212b15e7d3

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
SignaturestCy5SpHi7t7eT8CM3hfmghDHkQZIyD0P3NR6BWwHh+yaYkhRBF2GCqlShF3dLqkAgsqKc1pkG+a9juVdlItBg==
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

2026-09-17T10:43:08.654229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060536
observed 7ff8de70a3dbdc6f9a932a48dd659631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.637604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060536/manifest.json
observed 17d51b0424cad5c7e10c1bca0140e8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.619711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060536/publication.md
observed 680255581cfc9a225531fb9e7eb255e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.601471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060536/publication.txt
observed ff9bd08b712098ff8a1ff1a1bfb06119...
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.