OpenTechnical

OT-2026-000042359

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000042359) never changes.

Identity and time

Publication numberOT-2026-000042359 · never reused
Internal UUID01a0ae7a-5d74-7601-b757-5c873fcde39c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042359
StatusPUBLIC

Content hashes

Canonical textd5b1cee1968690902e0a05d8de6c13b1eb20634b7fb514eee2dfd5c8fef49584
Markdown40bfcd1663ce8bcffd850d61c416154c2984fe9b0c40d934555ef5cc492ed74c
PDF
Publication page5877d2c0274db62b516862215fa05a005642c05635617d9509cf5885b14c3a15
Manifest7b9dd6d5ef52c5360aef7f9e4951036b4e0f7bc28e50822aeb0cccb4cc478b22

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
SignatureGpfKAexSSqFje+xy6/jyF7B5dlHnlISkbSRyknIj+38aCLQnDGrlwnTie3FYgQ+4Rurf8p9Vbz9kHMQDKZ61AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:04.346014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042359
observed 5877d2c0274db62b516862215fa05a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.327292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042359/manifest.json
observed 7b9dd6d5ef52c5360aef7f9e4951036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.307993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042359/publication.md
observed 40bfcd1663ce8bcffd850d61c416154c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.289277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042359/publication.txt
observed d5b1cee1968690902e0a05d8de6c13b1...
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.