OpenTechnical

OT-2026-000061947

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000061947) never changes.

Identity and time

Publication numberOT-2026-000061947 · never reused
Internal UUID01a0ae8b-b8ad-7982-aacd-293498c71335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061947
StatusPUBLIC

Content hashes

Canonical text26788b2ccccfdd30bdb498a9f934b9014a54e87e992df95044f343eeb94da596
Markdown73f7fd9a93293d9b37c3ab892a60bcf12d7f45caebbd4af536176dcfae3923d9
PDF
Publication page6078a5b03791c87b5ffe38a03dc9af3dd416fa80c9d96f3dbc2ceb91c8ffe34f
Manifest86e65482235c1601809f072d13e333a3e4667c9ac7288e3d5e8bc1e80ba9c9cf

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
Signature2hQTnc61SB0Yyl+01EmXX3k7FVEHcJMRTwFAqh/RrQnoxT4SACbWmWTkPLFq9ES0CktJhuqIReFEvEnGaotGDQ==
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...

Independent retrieval

2026-09-17T10:40:50.788646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061947
observed 6078a5b03791c87b5ffe38a03dc9af3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.762002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061947/manifest.json
observed 86e65482235c1601809f072d13e333a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.737552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061947/publication.md
observed 73f7fd9a93293d9b37c3ab892a60bcf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.714155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061947/publication.txt
observed 26788b2ccccfdd30bdb498a9f934b901...
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.