OpenTechnical

OT-2026-000103582

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off 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-2026-000103582) never changes.

Identity and time

Publication numberOT-2026-000103582 · never reused
Internal UUID01a0aea4-e461-7253-bed4-817fb717c340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103582
StatusPUBLIC

Content hashes

Canonical texta7111cbd74a35c1144f4406b409cde9fc2ac51d4099c935a0dec614062e1105f
Markdown220a52c77a1b2310154eca901aced7913a7c881eadc385aa2003c5376a092146
PDF
Publication page53f522f2ef2a2e7cdb1ccf599e2c6ebbeefa7a71f742916d46ec9ca6f2229e22
Manifest004e5ca5a43fa22157fad002094181fe24816d59b89fcb52c6f67de505d8bd69

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
SignaturerARC5AiA8096tW3cm42Z11WbcG8/ZkycSw/3dNPhlOeCwH/BSJpFhDBCfyfqBkMrDp9IU78wICg2X9BH8PoCDw==
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

2026-09-17T09:22:22.050023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103582
observed 53f522f2ef2a2e7cdb1ccf599e2c6ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.031821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103582/manifest.json
observed 004e5ca5a43fa22157fad002094181fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.013175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103582/publication.md
observed 220a52c77a1b2310154eca901aced791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.995934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103582/publication.txt
observed a7111cbd74a35c1144f4406b409cde9f...
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.