OpenTechnical

OT-2026-000019470

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000019470) never changes.

Identity and time

Publication numberOT-2026-000019470 · never reused
Internal UUID01a0ae6e-f393-7317-9a33-ce533ec94c1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019470
StatusPUBLIC

Content hashes

Canonical textb2013a77dce40cd88521ac7866c91f567c7dfbc7e5257dd1382eefe0d1158bfc
Markdown574d776519efc5df2a3012acb91a912ecb98aea163ec304dd7bbf5b54bba86f9
PDF
Publication page3d4deec744de58f39ef7c30ae46e90fb2183dd904d14e2bc6e15443d32638b76
Manifest31fc20b28a5472cd0e05cacdb013cf763d04f77b883cd3f9f116bc3c157d44ea

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
Signaturew5KNPAlLXUPxkt+HqfAR9fRpLtvVtL+5DU71Olu1VEmm3KZSFaOinJ+RagIOq3xyEJVPcs5gl2oBkFV733smBA==
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

2026-09-17T11:58:52.598352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019470
observed 3d4deec744de58f39ef7c30ae46e90fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.579981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019470/manifest.json
observed 31fc20b28a5472cd0e05cacdb013cf76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.562192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019470/publication.md
observed 574d776519efc5df2a3012acb91a912e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.545459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019470/publication.txt
observed b2013a77dce40cd88521ac7866c91f56...
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.