OpenTechnical

OT-2026-000082875

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000082875) never changes.

Identity and time

Publication numberOT-2026-000082875 · never reused
Internal UUID01a0ae97-8cca-75c7-9364-8a4b93bcb375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082875
StatusPUBLIC

Content hashes

Canonical text4c8bacd57ae69aeb4e95e411f65e88d7384f15106849ac1724158d1ab74fef1a
Markdown333a8354fa35e222bba05c55eaf4651ac0cdb6280d9de1d7057a637392851083
PDF
Publication page4a548e9d04017a47d6220d12391b7071f5fa70b36335fba45fb22ea31cb5fcdc
Manifest01ecde64f8aea3371c099e68bcb8c3112d0889115edc02d2fd5e7ffb7c4e345b

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
SignatureidvZNdAHo+pm6+hQYeS3IpqJhGFgC/eX5ub03cn8d1OqbU+HZObd9uxSRXbr0HXaQAw1/leifyS2FReWman9Bg==
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

2026-09-17T09:58:33.458632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082875
observed 4a548e9d04017a47d6220d12391b7071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.440043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082875/manifest.json
observed 01ecde64f8aea3371c099e68bcb8c311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.421987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082875/publication.md
observed 333a8354fa35e222bba05c55eaf4651a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.404729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082875/publication.txt
observed 4c8bacd57ae69aeb4e95e411f65e88d7...
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.