OpenTechnical

OT-2026-000102819

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000102819) never changes.

Identity and time

Publication numberOT-2026-000102819 · never reused
Internal UUID01a0aea4-858c-7677-82cb-7be5ef250464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102819
StatusPUBLIC

Content hashes

Canonical texteea6785431a9834a621ae4501b2e60d9f9ded57b375616a55ec72ee9244d5e80
Markdown0e5348ae84b72181ab6fb25e85b40866c5e7dc79ee577e2aae5d88ece164fb74
PDF
Publication page5069a85d8f0d73d65bc1b66985bd4d9bf0303f2dd7f86101ecdec36132fa2045
Manifest8ded88ff3c042b1e153921d7ab35edf974fa35fc49ca49c19d0075bcd10a03ea

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
Signaturetzuh0RVK1rJUmgIg/6wBAoSfY4fZISmj4EcwDGy6SkFjtZ8p++diBbx0iQvsLVDkpKLyad17ECy4plIW1uiWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:21.118521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102819
observed 5069a85d8f0d73d65bc1b66985bd4d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.100672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102819/manifest.json
observed 8ded88ff3c042b1e153921d7ab35edf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.082527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102819/publication.md
observed 0e5348ae84b72181ab6fb25e85b40866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.063663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102819/publication.txt
observed eea6785431a9834a621ae4501b2e60d9...
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.