OpenTechnical

OT-2026-000059509

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000059509) never changes.

Identity and time

Publication numberOT-2026-000059509 · never reused
Internal UUID01a0ae89-8619-71ab-affb-38bb762f082e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059509
StatusPUBLIC

Content hashes

Canonical text089533a57ef3ead2c0ea2fccc7a04daa265a406ad9abc43a0301710f9c033f24
Markdown1a6235deaac878b06bac480cfe0c573d849dc96b008b64c106e5fd317b93ca4a
PDF
Publication page044228e74d861f28c6dc3151cd50a2a47237724ce318eea4e44370c48eba58c9
Manifest216f9debb54c8f0bf92470a455427d5ad81fa8eec99e1d7fdbfbb2c1a6daf62a

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
SignatureFMzkxSRNdzmE8yQuC41ht6EJmfiFgXmt3DwlMyJizjepS6o3WdQQg2WSqFg54tTFJJM5f8bBt1yFLuyQQ3NnCQ==
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

2026-09-17T10:46:13.491830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059509
observed 044228e74d861f28c6dc3151cd50a2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.474152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059509/manifest.json
observed 216f9debb54c8f0bf92470a455427d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.452357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059509/publication.md
observed 1a6235deaac878b06bac480cfe0c573d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.433352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059509/publication.txt
observed 089533a57ef3ead2c0ea2fccc7a04daa...
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.