OpenTechnical

OT-2026-000051790

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000051790) never changes.

Identity and time

Publication numberOT-2026-000051790 · never reused
Internal UUID01a0ae83-7c83-7317-b0f9-d9f761195f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051790
StatusPUBLIC

Content hashes

Canonical text05dec89d04efbcdf758fa8b780cc53b843167ca7e99d3c385e85f91a7a7ddea0
Markdowne3711251b71445e40de984ede505382df65b052f76565cf115b1203902700d3e
PDF
Publication page1edcb438cd53b90013963cd0ae5704026445065b2f67ebe8da2de06dae426a3e
Manifest42d3226e15023664a0cd05a741ef5373498fc77af827a5237cbe688d72d00b77

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
SignatureIQI0aWp0BkbvScwQQoY5Pcziv4Ih+SDGtilo3ZW18NtfggiIcewu19uvCnhQiKEYxKjRqpMM1ziWB1To0UCKAg==
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

2026-09-17T10:58:42.070855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051790
observed 1edcb438cd53b90013963cd0ae570402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.054090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051790/manifest.json
observed 42d3226e15023664a0cd05a741ef5373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.036331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051790/publication.md
observed e3711251b71445e40de984ede505382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.018403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051790/publication.txt
observed 05dec89d04efbcdf758fa8b780cc53b8...
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.