OpenTechnical

OT-2026-000044269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000044269) never changes.

Identity and time

Publication numberOT-2026-000044269 · never reused
Internal UUID01a0ae7c-39d6-7654-9de6-fbb65dad3fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044269
StatusPUBLIC

Content hashes

Canonical textad6fa93a6210e09631399b114fa4c3c7bdacb9e93f5f1a17824de88b2ddb9105
Markdown164a2d7a41505c7479f839a2243234be5e918083cd257a90dce9796408cc6db1
PDF
Publication page63a4611163d5b0142e22c8f1f3765f1afb65c9d93905694206b15c0027dbb6b1
Manifest458280770fdb0450968f5e9bd7d248760110470850c3416b1fa696566208f34c

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
Signature/B1PuIm9eyvCHYJjoi2DPLin35PsEBZqLcIvFHSPUrKgURm9YDARVGLlz83iI0ZjNwgT73JGSoRXt9cSgF0dAA==
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

2026-09-17T08:30:10.010613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044269
observed 63a4611163d5b0142e22c8f1f3765f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:09.992359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044269/manifest.json
observed 458280770fdb0450968f5e9bd7d24876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:09.973135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044269/publication.md
observed 164a2d7a41505c7479f839a2243234be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:09.830306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044269/publication.txt
observed ad6fa93a6210e09631399b114fa4c3c7...
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.