OpenTechnical

OT-2026-000079936

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000079936) never changes.

Identity and time

Publication numberOT-2026-000079936 · never reused
Internal UUID01a0ae96-4377-74fc-8d89-570928c039fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079936
StatusPUBLIC

Content hashes

Canonical text3cf28dc71b12f07e1484b19e075b8358921149a70b506dccbe1b6e4a0b5abbf6
Markdown072ed40b995380f651dc5d6a67f8239356c3238498abbf1d642cd057d1489226
PDF
Publication pagec33d8239242e70ab2ab0936be9a6d111f7132f65e58bc2d76e3dd16824544283
Manifest7f94116e74a6832c7cbe4530fc7f981d295a950f46db5313845df1aa585e5c48

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
Signature+S+bo7ksN6wAHurr8s251gISnfePwXUVPr42w7vuTgl1S1HedRlkWBYpp70EfUVn/v19iOG7FkjEMqkxhUJDDA==
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

2026-09-17T10:03:50.422557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079936
observed c33d8239242e70ab2ab0936be9a6d111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.403531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079936/manifest.json
observed 7f94116e74a6832c7cbe4530fc7f981d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.384594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079936/publication.md
observed 072ed40b995380f651dc5d6a67f82393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.366824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079936/publication.txt
observed 3cf28dc71b12f07e1484b19e075b8358...
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.