OpenTechnical

OT-2026-000061718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented after set-down

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-2026-000061718) never changes.

Identity and time

Publication numberOT-2026-000061718 · never reused
Internal UUID01a0ae8b-b8aa-7736-a721-bfc8b60d3efd · 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-2026-000061718
StatusPUBLIC

Content hashes

Canonical textdbc6b9655cf25b581f5ecb5e7ed23b368cf5567d88e6f6703673179b5219ddb7
Markdown7975d86109ea31f5beb672b1422c9fe867f9336d89044e9fb99a8d71a0d18e7f
PDF
Publication page61e823c32f023f0e57a4fc3ceddcdae8fe61b4ad53db03e69894af4d1ec4914d
Manifest9364d288ffc825546be8570221714d60da70b226d424e51be3a3cd7f688cc53d

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
SignaturekaR5Jr1jrU6EctwqtWxcDQj/w3v+v5HM5QrHu9yU5PF6lfMKyBedQz5urnOo6nSyqvSfL+Ky2T/eHgwjGLHeBg==
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

2026-09-17T10:40:17.716973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061718
observed 61e823c32f023f0e57a4fc3ceddcdae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.698149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061718/manifest.json
observed 9364d288ffc825546be8570221714d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.676252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061718/publication.md
observed 7975d86109ea31f5beb672b1422c9fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.657047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061718/publication.txt
observed dbc6b9655cf25b581f5ecb5e7ed23b36...
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.