OpenTechnical

OT-2026-000027249

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000027249) never changes.

Identity and time

Publication numberOT-2026-000027249 · never reused
Internal UUID01a0ae72-6996-7305-aacd-446165bfef23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027249
StatusPUBLIC

Content hashes

Canonical text9e493771856711ce7b0c3fdc23556f191b0399e74760cc3d8c1e2c89f6039d77
Markdown1724b5e335f42bc439fea5c68e13e220ed0dcfeebd622145413bd570eca7d29d
PDF
Publication pagede9aff493d86cb0eb2dc8247e6f22f9191e221c69e16d6167913243db782f169
Manifest5e512f28f148416e5346d98b50d1c78bc9584b51f90016d9afc3b0ce58645b08

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
SignaturetWIxgtaQAGQgOO4HlYRho0SNLoFsoLSBC7c0F38lRYwp7BxTjR+MvLCyy1D8ev1r5BkhwM/VAppp2N33DohyCQ==
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

2026-09-17T11:42:37.113051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027249
observed de9aff493d86cb0eb2dc8247e6f22f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.097288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027249/manifest.json
observed 5e512f28f148416e5346d98b50d1c78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.080306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027249/publication.md
observed 1724b5e335f42bc439fea5c68e13e220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.063841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027249/publication.txt
observed 9e493771856711ce7b0c3fdc23556f19...
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.