OpenTechnical

OT-2026-000078600

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078600) never changes.

Identity and time

Publication numberOT-2026-000078600 · never reused
Internal UUID01a0ae95-7c29-7187-ad28-154faadb3b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078600
StatusPUBLIC

Content hashes

Canonical text8ad40d82a43d3b595ab7ab3d7a0fd7bfcfb177f8d9213bb4b8e95f7a284ac396
Markdownd795665616f250bcc510d65cda2fd532d827244b965d00c578f0a42e8076e503
PDF
Publication page23f49dc5b881c431db2fb542fc5cf4ca42461be6340899cabe48e3e8ee6574e0
Manifestf5ee03dbab267df07a24db6833c4d1d96b2a4253b5dc909b8ba83ebf76bb1023

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
SignatureHC88NkVGmmNAu1t0jxY4g71TYJASfNlSWg+7kwaYx4/1gm4HMKNic0mL99LGvVe8apWc1/p1aI47LtG26W9rBA==
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

2026-09-17T10:06:37.897349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078600
observed 23f49dc5b881c431db2fb542fc5cf4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.877132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078600/manifest.json
observed f5ee03dbab267df07a24db6833c4d1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.860443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078600/publication.md
observed d795665616f250bcc510d65cda2fd532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.841707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078600/publication.txt
observed 8ad40d82a43d3b595ab7ab3d7a0fd7bf...
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.