OpenTechnical

OT-2026-000099529

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000099529) never changes.

Identity and time

Publication numberOT-2026-000099529 · never reused
Internal UUID01a0aea2-c974-77fc-bc9f-ca9e203c8b27 · 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-2026-000099529
StatusPUBLIC

Content hashes

Canonical textf9f7e8e01fe83aec7357be4bf9fa577a59880d76c2a79c81293d2a29b9a340a4
Markdownb967d222277344f514691a62caee0c52509e819bc03807a5163df1c5edd9ca70
PDF
Publication pagea32936c9a6442d8c1a0bd130f1ea98c27d573c56c28239f4538cf8db1219a594
Manifest56d239337c06f108bb1bb1d6df01d9a1479de81bf8ed4d788e939d3b98591fd4

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
SignatureJ6TQKNuDZDWKSNJvJDn5k6Jn3zc2hRYxM/S8IzDWX0PGd9+2PPBoTL2Tl606R8x3QuCYKhS+iBA/dEbJlfhUDA==
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

2026-09-17T09:29:25.808892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099529
observed a32936c9a6442d8c1a0bd130f1ea98c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.790823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099529/manifest.json
observed 56d239337c06f108bb1bb1d6df01d9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.772765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099529/publication.md
observed b967d222277344f514691a62caee0c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.754869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099529/publication.txt
observed f9f7e8e01fe83aec7357be4bf9fa577a...
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.