OpenTechnical

OT-2026-000040461

Publication integrity record

Single cup vacuum gripper, three 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-2026-000040461) never changes.

Identity and time

Publication numberOT-2026-000040461 · never reused
Internal UUID01a0ae79-2702-7c28-b36e-ee8e84843615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040461
StatusPUBLIC

Content hashes

Canonical text7951b4e185f6ef9970a26ae02eca351ff88464e2fb1fe47cdfc68c1ebb8c09f1
Markdownfe31949551c5f5386796b1dc045bce1e55d8ab2d53d4f18ae45b08a28cc7630a
PDF
Publication pagec15e1fb5d7405e3a05dd879eace7714315b5889ac795c3053d4738f4ec4b988f
Manifestbccf4fdab00110db10adad61441465b97ff2d36e582d1ece33dc7240682c0557

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
SignatureMxCkDP42iDE/cEytOk6S0zeRFWd+ga/rfqFeMjUW23aIuw3SpD85eiB/+TkpiCZMc5OwAM8bU2dIKNR5rL1wDA==
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

2026-09-17T11:19:30.372135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040461
observed c15e1fb5d7405e3a05dd879eace77143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.354133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040461/manifest.json
observed bccf4fdab00110db10adad61441465b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.336655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040461/publication.md
observed fe31949551c5f5386796b1dc045bce1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.320289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040461/publication.txt
observed 7951b4e185f6ef9970a26ae02eca351f...
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.