OpenTechnical

OT-2026-000070469

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070469) never changes.

Identity and time

Publication numberOT-2026-000070469 · never reused
Internal UUID01a0ae91-545f-7d0a-9347-7e9e88c5047f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070469
StatusPUBLIC

Content hashes

Canonical text734654d52ff5b2b28c1722245acc6ab0eb452818f04d15d905917aeda38aa666
Markdown3c78506e313b0f311621bede167acd42a710229b2a579c518422879008d0c44e
PDF
Publication page249f5a7d03dab52668a58be6da0e05c420fa8722a10bc5b56e20e25b6687def1
Manifest5a6f3ee037c80f5afd2ca37034afd47167657b85b6f4249f3ef4c6c818e325c8

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
SignatureE530IJjpcG9tUmwkA5SGUUl8tPk/mh7IR1yWjb9oqsW+46AeFAbyQN9mtopCmL7+fLcQxu/HUwfOZOgoRn1PDw==
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

2026-09-17T10:26:17.846124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070469
observed 249f5a7d03dab52668a58be6da0e05c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.828792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070469/manifest.json
observed 5a6f3ee037c80f5afd2ca37034afd471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.811978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070469/publication.md
observed 3c78506e313b0f311621bede167acd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.793102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070469/publication.txt
observed 734654d52ff5b2b28c1722245acc6ab0...
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.