OpenTechnical

OT-2026-000042273

Publication integrity record

Two cup vacuum gripper, two 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-2026-000042273) never changes.

Identity and time

Publication numberOT-2026-000042273 · never reused
Internal UUID01a0ae7a-5d73-756a-897f-c0ed8039eefc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042273
StatusPUBLIC

Content hashes

Canonical text6d66e2f8973d3832e4e6aadce6f837ddb0bea39ad246c7048e0ab9f1fa9d500c
Markdown869c5db2bc142eb44dbb04269b3d441d30fd7dd12abe502dad60ebe68754f204
PDF
Publication pagec43217a086ae698ebcd8b6f887fde431c4d8511e4f5889993af221f6fb93f2d1
Manifeste352f621f977a1c0fc665a1b6e4d4580fa5860feb2320f178f6941ecd87f0d2c

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
Signaturef833OU++XoF+XVwkYITg24eAH6cZ/e6leOQx4K0RvSL1rIF1J4XVVa4qhSnEmxQOdPxDnSjaL4XehEfl/1GuAA==
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

2026-09-17T11:15:57.769690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042273
observed c43217a086ae698ebcd8b6f887fde431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.750183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042273/manifest.json
observed e352f621f977a1c0fc665a1b6e4d4580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.732029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042273/publication.md
observed 869c5db2bc142eb44dbb04269b3d441d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.713044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042273/publication.txt
observed 6d66e2f8973d3832e4e6aadce6f837dd...
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.