OpenTechnical

OT-2026-000050837

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000050837) never changes.

Identity and time

Publication numberOT-2026-000050837 · never reused
Internal UUID01a0ae82-c7b2-74b4-8bc3-40088a4bfd92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050837
StatusPUBLIC

Content hashes

Canonical text871998b1cc2b3dce27ebe601ca493fd6e1de13a2c23d01378f92f4f5eaa5b8ad
Markdown096b03c7f94687fb0fff81df313b8e888b52e83a6fddc245668e03f0cd087aec
PDF
Publication page98699fd135d1195f7cffb0cb04357a53fece0d4a8e8652e8535c74b0aeac498a
Manifest4199515427fb1a8ae35b55a360deba68622348bcda9879df899702561692a92f

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
SignatureWsiHvM44RDrV895ErLZtG87Kv415Kl9AdaJ2jj/qZESJpCm72lN5AxaIf4jkoXViNNWQvbnbbBKVP4vEJeLACQ==
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

2026-09-17T11:00:23.897219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837
observed 98699fd135d1195f7cffb0cb04357a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.878745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837
observed 98699fd135d1195f7cffb0cb04357a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.870763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/manifest.json
observed 4199515427fb1a8ae35b55a360deba68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.851408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/manifest.json
observed 4199515427fb1a8ae35b55a360deba68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.839680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/publication.md
observed 096b03c7f94687fb0fff81df313b8e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.816314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/publication.txt
observed 871998b1cc2b3dce27ebe601ca493fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.810782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/publication.md
observed 096b03c7f94687fb0fff81df313b8e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.787367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050837/publication.txt
observed 871998b1cc2b3dce27ebe601ca493fd6...
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.