OpenTechnical

OT-2026-000062061

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-2026-000062061) never changes.

Identity and time

Publication numberOT-2026-000062061 · never reused
Internal UUID01a0ae8b-b8b0-7640-ae64-e80f33d5eeb0 · 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-2026-000062061
StatusPUBLIC

Content hashes

Canonical texta83cbd9ee2b28d2cdaad227f64f072eb0266ef0e7194d83303c804c976219a39
Markdown3f58702b7177b91339c3c313f81e68dfd29e5632d505bf53345ddcabaaa92281
PDF
Publication page05c35f9d83c04ce3f0cc1b56295e41c80a56e47f1ff59b0b6eee5d8a52593a56
Manifestb29e27488ad12a749d35f038f9fb622636c887ebe8afd431c3dcebfed451e706

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
Signaturee4YWpjHxv/vgA3EhTpYLKfnGgGcLBVCoDhzFiFTyLLjRMpYq0zAtVIUMDHKjN5LM/HiqhssqzyR3ccW0j81RCw==
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

2026-09-17T10:41:06.388705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062061
observed 05c35f9d83c04ce3f0cc1b56295e41c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.368930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062061/manifest.json
observed b29e27488ad12a749d35f038f9fb6226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.350150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062061/publication.md
observed 3f58702b7177b91339c3c313f81e68df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.330934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062061/publication.txt
observed a83cbd9ee2b28d2cdaad227f64f072eb...
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.