OpenTechnical

OT-2026-000022223

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000022223) never changes.

Identity and time

Publication numberOT-2026-000022223 · never reused
Internal UUID01a0ae6f-f4fc-7be2-aca1-cf1a6a5fc1dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022223
StatusPUBLIC

Content hashes

Canonical text8923d00d1db413fd9dfb17d7336baad8d3de08eac7e67b6db7c60d469c45cca4
Markdown87477fd2e83cb93ee0ab152ebc90333a86233d7118a4a071a0bd58807fbb20b6
PDF
Publication pagec05ef1b57d7a0876ec573b1d28a31b4ddfa459728efdf25d56bfc09d86623730
Manifest4b0b8112cfcb2c40ab77a39c95a3d42da4393b1fc7b9a93673f8765329dbc502

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
SignatureDgropSYi2HP2hOT7QGocFhrZBmvsiwRJyFU+MQHUAToZ8xO7rtck5Ah3aO9W2SXryd1AG50Y1a4pNd2CusEADg==
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

2026-09-17T11:52:54.737379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022223
observed c05ef1b57d7a0876ec573b1d28a31b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.718819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022223/manifest.json
observed 4b0b8112cfcb2c40ab77a39c95a3d42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.701329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022223/publication.md
observed 87477fd2e83cb93ee0ab152ebc90333a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.682818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022223/publication.txt
observed 8923d00d1db413fd9dfb17d7336baad8...
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.