OpenTechnical

OT-2026-000084431

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084431) never changes.

Identity and time

Publication numberOT-2026-000084431 · never reused
Internal UUID01a0ae98-5b62-75f8-ad82-f2b18ec3cf94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084431
StatusPUBLIC

Content hashes

Canonical text6c95f2b13d1942f01642a8aaf9c7da5ef9eac0f6503446d369a5bfd31042e7da
Markdown2a4dc679933b1cfa90b937dd6f4d677fd4c8b4462d141d32af62f5becf23d9f5
PDF
Publication pagef3d2484866ffcdeb36d1fba95d22f9fda1b3cdb169375dbdbcb3f673080af79e
Manifest9042991d915a357c69b845991f5d0315a2d5b3a488bc001e277191df680e78ad

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
SignatureF4t4cKQl/Bq4THvI1dey5kHhsA298a0NkQYMWip7PqBOfWdlvFT+WtFGToN6Um77Y686zHrPIczVWjBNCf3IAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:23.029126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084431
observed f3d2484866ffcdeb36d1fba95d22f9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.010800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084431/manifest.json
observed 9042991d915a357c69b845991f5d0315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.993719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084431/publication.md
observed 2a4dc679933b1cfa90b937dd6f4d677f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.976399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084431/publication.txt
observed 6c95f2b13d1942f01642a8aaf9c7da5e...
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.