OpenTechnical

OT-2026-000061441

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000061441) never changes.

Identity and time

Publication numberOT-2026-000061441 · never reused
Internal UUID01a0ae8b-7b42-75b8-be87-6c1a2bc588cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061441
StatusPUBLIC

Content hashes

Canonical text5355d782e3b421f19c73e8d621099c9a032cae23e6855ed912412337654efd74
Markdown65766d4f5dceda97e173af86d2b4a9d60fcd2285c0000377b664a2a54e5c79aa
PDF
Publication page18f5e271e76b5b004854d696c80590f3ef6c1a96c0421231ff368f3d02d6358a
Manifest35d6053a0c07312ed617da777eb2a665dd6b583f8ee1bdbd32a759bf4c4cb900

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
SignaturezyPCr7xo3HPTtmNXJkk5CKRoyyI6Rrxvq3QBLZMRJGX69gSRsPl+bMWgNgNJIg0NW/+YUffMTFbvhK0Kv0hFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:19.181307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061441
observed 18f5e271e76b5b004854d696c80590f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.164155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061441/manifest.json
observed 35d6053a0c07312ed617da777eb2a665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.144445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061441/publication.md
observed 65766d4f5dceda97e173af86d2b4a9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.125324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061441/publication.txt
observed 5355d782e3b421f19c73e8d621099c9a...
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.