OpenTechnical

OT-2026-000059048

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000059048) never changes.

Identity and time

Publication numberOT-2026-000059048 · never reused
Internal UUID01a0ae89-8611-7c36-911a-2d6a282434e6 · 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-2026-000059048
StatusPUBLIC

Content hashes

Canonical textad101a5a3d402a87fd6115b42552fdf7abd4a756def677d87b78a7acc6317bce
Markdownd21f9e9bbd8774d86af6446ad1859d54363a78b2f23afbe35c14b03bbb1df8fc
PDF
Publication pagea7b1fd83d99d2e85f1ced71e07ee42c2be990c56955711ef76d8c439ac4f9ac7
Manifestf5b64dc8dcf515d64b0c5bc1a6f81926a06a674df4eeb2089ea44ebfd2854336

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
Signaturegqb1RLlPoe4oUWGwveO6+b5r/Yd+TQ1n8+ViAAX7Mr9fi3kisLwrAoGMWzBmDJDVfyAjpiDW94pN2grL6a5BAw==
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

2026-09-17T10:44:52.310981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059048
observed a7b1fd83d99d2e85f1ced71e07ee42c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:52.293652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059048/manifest.json
observed f5b64dc8dcf515d64b0c5bc1a6f81926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:52.276159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059048/publication.md
observed d21f9e9bbd8774d86af6446ad1859d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:52.258139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059048/publication.txt
observed ad101a5a3d402a87fd6115b42552fdf7...
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.