OpenTechnical

OT-2026-000074447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074447) never changes.

Identity and time

Publication numberOT-2026-000074447 · never reused
Internal UUID01a0ae93-717a-7324-ae47-a238f18a9138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074447
StatusPUBLIC

Content hashes

Canonical text6d035b717cdb84fde90e0755c0acde5e7929ff58c84942197158cf7ac74328fa
Markdownfe8276f8e80a93f828d4e5998833dbd01ae6e469f88f3e0e06540a5b21055990
PDF
Publication pagef8bd61788c29143d8463d7baefb856cede79a0dabebc4cb9ce86f0ee4b0f330a
Manifest27fb066b0ceff10b42afe383b1236341532ffc5822171eefb9e373c3f5a9607d

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
SignatureIBniWZtwV9QuBhODfwC3xX0kzYrzKJgoC2g3e5jgXWDRMsKpt2r2cwTUxXVIpV1072rrgCiNkPK8oriqZbQLAg==
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

2026-09-17T10:19:24.292334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074447
observed f8bd61788c29143d8463d7baefb856ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.273851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074447/manifest.json
observed 27fb066b0ceff10b42afe383b1236341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.254644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074447/publication.md
observed fe8276f8e80a93f828d4e5998833dbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.234920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074447/publication.txt
observed 6d035b717cdb84fde90e0755c0acde5e...
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.