OpenTechnical

OT-2026-000099402

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000099402) never changes.

Identity and time

Publication numberOT-2026-000099402 · never reused
Internal UUID01a0aea2-c973-7baf-982a-c668203c6bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099402
StatusPUBLIC

Content hashes

Canonical text3818cec61ceff0f064cea195e90d9e7c93de9068d3640d622db2af93d1923f38
Markdown5e7ca42dffb5d0fef198f3ff1aed23f7137d57fff71485e7f101db4c909ae66b
PDF
Publication page53c96b056a1f1ce1835543eb5767706b7436ed68c7cfbd0377983e5e6ce270b1
Manifest8014f47d1617741cbdf185b0b804242f1169b1f871165d76676fb7f6ebe8cba5

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
Signature5uBLSbShhfbgmKVA2Hw58rayk2DWqKbkoEdW9VfLStjhiIfd8zytPCtJQy0rAAqBTOy5QmmRpK92oNjDro8CDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:10.094688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099402
observed 53c96b056a1f1ce1835543eb5767706b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.076659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099402/manifest.json
observed 8014f47d1617741cbdf185b0b804242f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.060182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099402/publication.md
observed 5e7ca42dffb5d0fef198f3ff1aed23f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.042316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099402/publication.txt
observed 3818cec61ceff0f064cea195e90d9e7c...
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.