OpenTechnical

OT-2026-000027137

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027137) never changes.

Identity and time

Publication numberOT-2026-000027137 · never reused
Internal UUID01a0ae72-3454-743c-a0f1-d301217b46e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027137
StatusPUBLIC

Content hashes

Canonical text13b8446ad234c7b526db4cfc6b60fecd85809bde24b2bda02ae4e8091cc1a2d8
Markdown92f1e3a407159aa04f164560315dd25458ad98ec3793157a75f60c990344f84f
PDF
Publication page5aadfb496b053c802ea734f32ac6662c09f98c36d937b2a543edf3d49fd15ed6
Manifest771f9fa1d4ae125c6357120fa694a678329fe795ac883bc6965fb0017364852d

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
Signature4duCkfszqWKNw4nsHuZWWyiQGkuGtGSC//EB8uBPUkPdjS5jX8BNb29LJvh9PxGPneh5m3D8vvycSqoPjmDuCw==
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

2026-09-17T11:43:54.816444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027137
observed 5aadfb496b053c802ea734f32ac6662c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.800884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027137/manifest.json
observed 771f9fa1d4ae125c6357120fa694a678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.784927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027137/publication.md
observed 92f1e3a407159aa04f164560315dd254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.767363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027137/publication.txt
observed 13b8446ad234c7b526db4cfc6b60fecd...
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.