OpenTechnical

OT-2026-000066353

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000066353) never changes.

Identity and time

Publication numberOT-2026-000066353 · never reused
Internal UUID01a0ae8e-8dc4-7dcf-8ef5-1ad73da67946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066353
StatusPUBLIC

Content hashes

Canonical text5b60770a5ce57ab9db1560a6e177981e4d58f2104f2f310e2f315a134eaad534
Markdown5fb5f381b8a55850e570b81223a46690b0b036ac3b456fe9fe43480dff448a36
PDF
Publication pagec934850ad534cfd5ba41a9f0562a87ff009ce66c3c68ab33fe04d3e6e2d60763
Manifestd2dd724fd662c6794fb79d8657173a6d5b7372798be0dcdcc040df3f033ddcfc

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/FBdNEBaUT0y8MniblmQFbarObjnHBLB8das0BU2yfUlymN54uCVaAGBouEYmR6ARYpCOplirxCvuNWEPcKhBQ==
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

2026-09-17T10:33:32.895401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066353
observed c934850ad534cfd5ba41a9f0562a87ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.877436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066353/manifest.json
observed d2dd724fd662c6794fb79d8657173a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.861275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066353/publication.md
observed 5fb5f381b8a55850e570b81223a46690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.845768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066353/publication.txt
observed 5b60770a5ce57ab9db1560a6e177981e...
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.