OpenTechnical

OT-2026-000058856

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000058856) never changes.

Identity and time

Publication numberOT-2026-000058856 · never reused
Internal UUID01a0ae89-479e-7d13-98ec-042bbd3d978e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058856
StatusPUBLIC

Content hashes

Canonical text068609f7ee4ae5ae2422bd7070690e16131c70677b9a843bdb89081d42e11018
Markdown12fabbe45080462d3d6d3fbff6f801d21f77efe89d86fa91c41e3a7a06b94d00
PDF
Publication page9e98799e590418440d220f0f2899f8f345fbdad112666ea12252f59ea39ed2b9
Manifestb6fe4d7383f3dd1182ac6da3d2098e415306c3b7bbd78e265e5dbf18eda247e0

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
SignatureGTKmLcJYpAsQPAV0b0pg1yBMElHgAtv2MP7SG4u2iaPJMWJ8dxh5kf5aaGeebpbUlC6cd9Cx4+3m5zOZlG8WBQ==
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

2026-09-17T10:46:23.685638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058856
observed 9e98799e590418440d220f0f2899f8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.669053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058856/manifest.json
observed b6fe4d7383f3dd1182ac6da3d2098e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.651641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058856/publication.md
observed 12fabbe45080462d3d6d3fbff6f801d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.630922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058856/publication.txt
observed 068609f7ee4ae5ae2422bd7070690e16...
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.