OpenTechnical

OT-2026-000080785

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000080785) never changes.

Identity and time

Publication numberOT-2026-000080785 · never reused
Internal UUID01a0ae96-b974-7ed0-95ea-fb51fd714897 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080785
StatusPUBLIC

Content hashes

Canonical textfe35e5e971bde372d8d8c62178375e62173935209217b799a23f25e65fc66c3a
Markdown967279c3a140f72a651acae73b00ddf1a87579fe910ff4ae8da8349685bec21f
PDF
Publication page67947f36c418cbbc79d11ac3e8f20a522f34fa2ec977a7aee747383b7407cf9c
Manifest8ef321ae120608e04799ccec51b5fe0f3c096219706b8669d7da9b7f85dbabac

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
SignaturezdKePG/fvEBXPpGbe1WYvq68VVEUJnKKHNHqI0ksCthJbPE5gY19PqxDKE5/4mbm/x/8TjFg79j+maKfkNEqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:57.451755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080785
observed 67947f36c418cbbc79d11ac3e8f20a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.427959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080785/manifest.json
observed 8ef321ae120608e04799ccec51b5fe0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.407806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080785/publication.md
observed 967279c3a140f72a651acae73b00ddf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.388828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080785/publication.txt
observed fe35e5e971bde372d8d8c62178375e62...
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.