OpenTechnical

OT-2026-000056142

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000056142) never changes.

Identity and time

Publication numberOT-2026-000056142 · never reused
Internal UUID01a0ae87-0a4b-7e24-a8ed-f4a70df5be33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056142
StatusPUBLIC

Content hashes

Canonical text4d07195c678e41808ba286d102998a14c7a13fa06804f0acc9ef5c46601c7ea4
Markdownb7cab51429103789cadde5c849a3c636667f491f7d782f25dc864080f35075b4
PDF
Publication paged0cb99614d4098aa9f94f9361165d596f24e48b3c25e12f448b5fda6a4ae4b1d
Manifest784c3ecae767ea9f847a12f66248f346b14e775285abaa2dea2aa46ea2699625

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
Signatureyh2rNXgj6SYtQROujtIAM7Nvswu1FYjvqyyuL9Tmg2q/s3BehnGrJiGVxx0ZAkz9rFVEalrymomh2Yy0d+Q7BA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:41.609967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056142
observed d0cb99614d4098aa9f94f9361165d596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.591025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056142/manifest.json
observed 784c3ecae767ea9f847a12f66248f346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.571672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056142/publication.md
observed b7cab51429103789cadde5c849a3c636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.551945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056142/publication.txt
observed 4d07195c678e41808ba286d102998a14...
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.