OpenTechnical

OT-2026-000098885

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000098885) never changes.

Identity and time

Publication numberOT-2026-000098885 · never reused
Internal UUID01a0aea2-8286-738b-bea7-9c7b2ba727ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098885
StatusPUBLIC

Content hashes

Canonical text8a879b1bca8639d152eb4f2201d3286f4d77075aa33db0498e093e1be0e4249c
Markdown52c57711bbf6ac422b91dfd10c3874e1990db23f3b948a4a4c04507a05511be5
PDF
Publication pagee8ec571d4702b7c3b4f76d4a7129c2b02cfade3156f39c025d330643214d3325
Manifest4c7b2c702989f7e9b3a51b442301fa138af24ae8226ef10eb5fc58c6b333cd9d

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
Signaturesv3wHAhKGn9tBCpGa5qeRf0c1a+TXQvomtvG+oLK27mQvnKYDylVw/dKl3QnDVDb/5nd5wzYRHUQPJQHNgymDQ==
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

2026-09-17T09:29:56.273862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098885
observed e8ec571d4702b7c3b4f76d4a7129c2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.257478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098885/manifest.json
observed 4c7b2c702989f7e9b3a51b442301fa13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.240933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098885/publication.md
observed 52c57711bbf6ac422b91dfd10c3874e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.223122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098885/publication.txt
observed 8a879b1bca8639d152eb4f2201d3286f...
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.