OpenTechnical

OT-2026-000061120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000061120) never changes.

Identity and time

Publication numberOT-2026-000061120 · never reused
Internal UUID01a0ae8b-137e-7f13-9659-a352fd67effe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061120
StatusPUBLIC

Content hashes

Canonical textdba09b4a972af2e02545af0c7e773c785d8fa88d4ba5fddde12a5559da1a32a9
Markdown2043f91e910d94b3b38cec8ad50b4e7c578903ccc5722ed61e5ee79a4d759aea
PDF
Publication paged7eb1c2d4d2b63e05787ef1d1e87f2baf564ea20db89f9c55213141429ca8d78
Manifest190acb78079e2d6c4e262725f3bab899ed1f31e6003c55a7cbf3385b09f7f253

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
Signatureu3wwHrscAJE2a2OIgYO00KKv9rsZnSSViIofvm7XD6fuIwQBZBo4yaSIR3V6HxqMHPCFrP9XvHp0j4VysLQqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:29.659681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061120
observed d7eb1c2d4d2b63e05787ef1d1e87f2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.640462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061120/manifest.json
observed 190acb78079e2d6c4e262725f3bab899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.622417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061120/publication.md
observed 2043f91e910d94b3b38cec8ad50b4e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.604498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061120/publication.txt
observed dba09b4a972af2e02545af0c7e773c78...
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.