OpenTechnical

OT-2026-000007666

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000007666) never changes.

Identity and time

Publication numberOT-2026-000007666 · never reused
Internal UUID01a0ae62-76bd-715e-b17c-9b7f52e41332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007666
StatusPUBLIC

Content hashes

Canonical textf389f4de202fb22c14ae97da577a7e040be5d40ec58161abb2d106439c04b81c
Markdown0ac1083771cced479de8742c9becee4f67defa456f23979473ceddae5d99ee21
PDF
Publication page7d702bf8cbfa7e27df7d31bf9a1cab2d127076f3323a91365cee76d93f462cd3
Manifest4e6c44402890f2c30c7551ae34c8810f0f736869163fe4f87441c09c216f3763

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
SignatureD67pPnUn6DPoF7wFpYvV4TaEG5lOpPXldElsntkkszX+zUIyo6wRpmP98ipGifMgtgJ8XKI7Jlifc/tuyItUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.381372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007666
observed 7d702bf8cbfa7e27df7d31bf9a1cab2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.364183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007666/manifest.json
observed 4e6c44402890f2c30c7551ae34c8810f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.346850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007666/publication.md
observed 0ac1083771cced479de8742c9becee4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.329539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007666/publication.txt
observed f389f4de202fb22c14ae97da577a7e04...
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.