OpenTechnical

OT-2026-000100829

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100829) never changes.

Identity and time

Publication numberOT-2026-000100829 · never reused
Internal UUID01a0aea3-66f5-7437-b6b3-56370aeae33d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100829
StatusPUBLIC

Content hashes

Canonical text7d7382e95a5c2f24170272bd6c3e3c6ef7a8dffa79c45f8300039411e11d1897
Markdownecbe07c30edf45d16f9d32a5cb18617c2ca0a5942a9d4b61b32ffb0c25fdaa7f
PDF
Publication pageaa9192d01491cd879bf6aefec01b3ba0280977e9f79b0992fffb327b64427972
Manifestf199fd5009397231c86a39bef3cffb1b8629a3e95285fb10b6a8db406080a229

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
SignaturegphmvxCxYX91M1NjJcrDKe7J9j9EeDXlWCu46jYBCoT/6tiGhxy2TrfCr6Ottb7ItGA5Lx7sXRUVYblx5xagBg==
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

2026-09-17T09:27:45.116735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100829
observed aa9192d01491cd879bf6aefec01b3ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.097929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100829/manifest.json
observed f199fd5009397231c86a39bef3cffb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.079687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100829/publication.md
observed ecbe07c30edf45d16f9d32a5cb18617c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.060491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100829/publication.txt
observed 7d7382e95a5c2f24170272bd6c3e3c6e...
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.