OpenTechnical

OT-2026-000059941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000059941) never changes.

Identity and time

Publication numberOT-2026-000059941 · never reused
Internal UUID01a0ae89-ec26-7639-897d-64112669042a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059941
StatusPUBLIC

Content hashes

Canonical text168cae9ed97201153e737f144feda085bf7d1b8e1c0faab54420fbaded6c15f8
Markdown31db23012b953e41cac106155f9475aa19a8acfaf1e085c95beb2a0afd4040b7
PDF
Publication paged7aa69d2c977ee3c5c65ad937557b45ba1baa0579046f0c98eeea77a03ef4bae
Manifestcf256f45ec4c5fa57234e6dd0a0dc6022b1b8861695c9f7bfd38ca0c3c7287fd

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
SignatureA8pKLDi6UnTnkG099ucHMxcsi1g4Trb1vhJ6kHeNY3ipFP/8coABkI1IFCr9xSVWa4nz9Adu1op4uOxk4WS5Dg==
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

2026-09-17T10:44:43.036597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059941
observed d7aa69d2c977ee3c5c65ad937557b45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.017581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059941/manifest.json
observed cf256f45ec4c5fa57234e6dd0a0dc602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.997686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059941/publication.md
observed 31db23012b953e41cac106155f9475aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.979277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059941/publication.txt
observed 168cae9ed97201153e737f144feda085...
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.