OpenTechnical

OT-2026-000079129

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000079129) never changes.

Identity and time

Publication numberOT-2026-000079129 · never reused
Internal UUID01a0ae95-ccbf-7de8-9d69-1fbc6a5cdf23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079129
StatusPUBLIC

Content hashes

Canonical text938a27d40e85235716097e21e68abc04413cc029b506b2da8751c7b4261fe18e
Markdown18102a3d4231c00dbf70a9d8a46914615048a14b502036849349f362f2231b7b
PDF
Publication pagec433b9e7484dc2cf53b5729a5fa767e9fee02e52f25d712ae30484d913df3dbd
Manifest569fcee0bfcb7ed8e7bf5932eabdf4d9379c6df84d4292aea2d3c3304f10fceb

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
Signaturewo/TJifujjojLKTqwvVs0K7FM2NT4l/YmrWy1A7fFTc/I3FMD40drsoX8yvNVN3h50JJvDBhw+HLQkxrOEPaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:58.646662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079129
observed c433b9e7484dc2cf53b5729a5fa767e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.629072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079129/manifest.json
observed 569fcee0bfcb7ed8e7bf5932eabdf4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.609504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079129/publication.md
observed 18102a3d4231c00dbf70a9d8a4691461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.588908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079129/publication.txt
observed 938a27d40e85235716097e21e68abc04...
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.