OpenTechnical

OT-2026-000068745

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000068745) never changes.

Identity and time

Publication numberOT-2026-000068745 · never reused
Internal UUID01a0ae90-6dcb-7db3-8910-2c1479116782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068745
StatusPUBLIC

Content hashes

Canonical text0064d96b4bd41db48d0da2bc0ac6a93e83491aea4d8792d438fa85feafa09462
Markdown3cfd93973e044648b4f1b9320b60c88c454b05682b6e40343da83069c2b38a90
PDF
Publication paged55c4747bbe9222fbada327420462486e7dc9549084475cad236bce00b2a68a5
Manifest947da693e8883c28cd6a6f8b2b3e3a488611d8273919a48e92c55fc4589fdee0

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
Signatureg8Gh84C5OccJBbiBNNFadXs3d9WkzLt5T1PliTOJMQbHBFMGRcGB/juuxUZlPcFYUjxOa7OE5oyqGNFzJGOmCw==
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

2026-09-17T10:28:31.435959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068745
observed d55c4747bbe9222fbada327420462486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.416617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068745/manifest.json
observed 947da693e8883c28cd6a6f8b2b3e3a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.397906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068745/publication.md
observed 3cfd93973e044648b4f1b9320b60c88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.380910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068745/publication.txt
observed 0064d96b4bd41db48d0da2bc0ac6a93e...
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.