OpenTechnical

OT-2026-000104043

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104043) never changes.

Identity and time

Publication numberOT-2026-000104043 · never reused
Internal UUID01a0aea5-341e-7f79-9432-19feb699139b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104043
StatusPUBLIC

Content hashes

Canonical textad9155aa1b025c1f473c32c892165cbea323b0b9a94b27e7247eadecf4511f69
Markdown1c2a3c29ef6abdceb35ff09e2d5b8fdd19b15a9de1a615928c6691f7dd25e86b
PDF
Publication pagee2fe18f828de77525121bc74572a4d9af7b4eb0d7bb7dd561d14bc096ebbed54
Manifeste1bf8e65ee963f92ca0a094488d6926b0fe4d9c5ab43c7e2c83a7ed66524799f

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
SignatureqEWC7SEbwVpwd74h+rVOcjFN5LjsucBGLJItxLCMQXSJ6zxHGJdaLhjbOj51/CjsYpPFk+Xem0ktWGm71C+YBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:06.539111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104043
observed e2fe18f828de77525121bc74572a4d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.521344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104043/manifest.json
observed e1bf8e65ee963f92ca0a094488d6926b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.504117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104043/publication.md
observed 1c2a3c29ef6abdceb35ff09e2d5b8fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.486403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104043/publication.txt
observed ad9155aa1b025c1f473c32c892165cbe...
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.