OpenTechnical

OT-2026-000087243

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087243) never changes.

Identity and time

Publication numberOT-2026-000087243 · never reused
Internal UUID01a0ae9a-9f2e-71ba-a3ba-bfe015ac4bbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087243
StatusPUBLIC

Content hashes

Canonical text844c5b0eb119c6621a6b31c9fafb2317e382d6191ee5377f832fe17425580152
Markdown4401c73b4bc2642639c955e0e76532ede10863ad7aca247eb8d2e674439c12b4
PDF
Publication page4bcbe80a706d75735bb2cc03be328fec1184059fd5c28a7962173e16cee814be
Manifest2d3978f6f1f74feca3bdc3b41587c269e49e44a4b092679f65fecd8699cea987

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
SignatureTIfdwRkdfRAsLc8L2nRCsu8lXiiu0JS/UyvQnEuSTivbipRJQuvfP8wolgpo/CoL84FrbAXiawwX3tyXZP/jCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:32.825587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087243
observed 4bcbe80a706d75735bb2cc03be328fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.806228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087243/manifest.json
observed 2d3978f6f1f74feca3bdc3b41587c269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.787375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087243/publication.md
observed 4401c73b4bc2642639c955e0e76532ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.770743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087243/publication.txt
observed 844c5b0eb119c6621a6b31c9fafb2317...
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.