OpenTechnical

OT-2026-000079255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079255) never changes.

Identity and time

Publication numberOT-2026-000079255 · never reused
Internal UUID01a0ae96-0b90-73be-bcc6-99a0a6410b78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079255
StatusPUBLIC

Content hashes

Canonical textec1874800ec4dba37c8a8e9ff038aa532c6b713b372d7fb5742900a75c0a96f9
Markdownf8c246abd822072911438377897e42d971de622e1d534c356941b1ebd6a38cdb
PDF
Publication page40f01e62f3c34ed8b63595166e1888f9b0e1f32eddb1ec4229ed7b4860d3338e
Manifest222a04d9e437cbfecf0b10892a7fa4c776546d33e440f80fe1a695dc2e2359a6

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
SignaturePc9mB7b5ZKi06IpcJyos/8cALXmZDe+FbKroEbYz1N6BuoFJKeio/I52aqWF/V24b1fz1uwahJ6pjI9wj89pDg==
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

2026-09-17T10:04:50.942279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079255
observed 40f01e62f3c34ed8b63595166e1888f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.925229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079255/manifest.json
observed 222a04d9e437cbfecf0b10892a7fa4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.905664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079255/publication.md
observed f8c246abd822072911438377897e42d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.889591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079255/publication.txt
observed ec1874800ec4dba37c8a8e9ff038aa53...
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.