OpenTechnical

OT-2026-000103243

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000103243) never changes.

Identity and time

Publication numberOT-2026-000103243 · never reused
Internal UUID01a0aea4-be3f-7c79-aa4b-09a6042e4597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103243
StatusPUBLIC

Content hashes

Canonical textfb2cc2da59eef5e35f159ddd9f688babd2f6ef7591a2e4da0de454162a33359b
Markdownd82e5bc583479981ceafbd9e307b440d204e0782e10dbe220df33a95643b9cef
PDF
Publication page868749b1b8f5453a4880d691ec3e589fecddfbdc35a3dd1a6640903a2392d4a6
Manifest21085d3589866dba15a1424adc1b7ccbfccb1a314c02705118cc8574f680c3ee

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
Signature4vGuLj7Pz3CTRKCuOuf9vD1Iw0cg2klzw7hSRmxv/pY99O3s3FMyAUx2FYw5s/7N1Jr+LCurD1v8sALGQ/LZDw==
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

2026-09-17T09:23:28.685798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103243
observed 868749b1b8f5453a4880d691ec3e589f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.668425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103243/manifest.json
observed 21085d3589866dba15a1424adc1b7ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.651754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103243/publication.md
observed d82e5bc583479981ceafbd9e307b440d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.635946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103243/publication.txt
observed fb2cc2da59eef5e35f159ddd9f688bab...
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.