OpenTechnical

OT-2026-000041337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000041337) never changes.

Identity and time

Publication numberOT-2026-000041337 · never reused
Internal UUID01a0ae79-b144-7c8d-91c1-85748951e1fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041337
StatusPUBLIC

Content hashes

Canonical text48493519919e7cdf16f5a3c3dda63643c4951bdc4bb93f13db89f275774b1cc2
Markdown8ced28befb5c1fc1a26773e7261bf3523f982b1daa5b806815fcb86627fd00d9
PDF
Publication page99358b5c3147f2736cdcc6bde799cf4aba837489f27d150ec807ff80f70d51c2
Manifest1df8565ba6dd8f884801d392efd5738c982154723a907f7361e55ca1112019fc

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
SignaturejwDRoi7/0gVMUIk0eTT+gI001oSelFNeZOc92OzNRO8mtpP4AQOAzuxH02Jmksdbq+ij/xj6SMqZ3WVf0a5SBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:20.052258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041337
observed 99358b5c3147f2736cdcc6bde799cf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.030861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041337/manifest.json
observed 1df8565ba6dd8f884801d392efd5738c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.012708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041337/publication.md
observed 8ced28befb5c1fc1a26773e7261bf352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.995948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041337/publication.txt
observed 48493519919e7cdf16f5a3c3dda63643...
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.