OpenTechnical

OT-2026-000032784

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000032784) never changes.

Identity and time

Publication numberOT-2026-000032784 · never reused
Internal UUID01a0ae75-4841-76cc-9b6d-a154d5d089dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032784
StatusPUBLIC

Content hashes

Canonical textd11b173d95e8e5d646423a0b606b8916f1daf5b058256b6e1a768d104423fbbd
Markdowncced04c56666ce998cc61b982162beb6ae609ec622299d61bf773fda78fa5e79
PDF
Publication page230bb9bcd66ddffcb8c112b7b3e9d48f7716c813c3567de8e6c4ecd8b116d35f
Manifest7385178c284b787ac75070be6efebea68ba7c0c1864ac0291fe09060ca2cbaaa

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
SignatureWToQqElDXm3mPHbgMTHzA4f2KDJQ5DtV3EANLacWIbHviEvXvhxUBdc/KDa0yK7KE6AHC5ObvZ8DZX7Xxy7uAA==
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

2026-09-17T11:32:13.587245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032784
observed 230bb9bcd66ddffcb8c112b7b3e9d48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.568076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032784/manifest.json
observed 7385178c284b787ac75070be6efebea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.549746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032784/publication.md
observed cced04c56666ce998cc61b982162beb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.531879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032784/publication.txt
observed d11b173d95e8e5d646423a0b606b8916...
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.