OpenTechnical

OT-2026-000061186

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061186) never changes.

Identity and time

Publication numberOT-2026-000061186 · never reused
Internal UUID01a0ae8b-1380-7dbf-9ea6-3d426d86c1a0 · 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-2026-000061186
StatusPUBLIC

Content hashes

Canonical textda9e532c7b5bbc6cc3c786bc87d1969e71829b1d143d62343f6ed9e94d9b30ed
Markdown7256641445d7e0a02eea155672a82b6032b2d6a4b0750bc4f46de392eae2693e
PDF
Publication pageb66696c7883c2f85fbe7358d4c86a371fbb1708a42f0e000d324743f595a008c
Manifest996cd5d76afb1c3facac46d99ed51ece0dd0453712e90e686bdbb87064cb4e89

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
Signature81Bwmxb3UaHN/zydWDxu+NTHDsRbcrTNk2ceji5lXaEDbI1ZjDSNbTucj0xJSj1Q8q9JSxexKNfbLQt2zky6Aw==
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

2026-09-17T10:42:34.818866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061186
observed b66696c7883c2f85fbe7358d4c86a371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.798927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061186/manifest.json
observed 996cd5d76afb1c3facac46d99ed51ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.778763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061186/publication.md
observed 7256641445d7e0a02eea155672a82b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.759693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061186/publication.txt
observed da9e532c7b5bbc6cc3c786bc87d1969e...
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.