OpenTechnical

OT-2026-000078416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000078416) never changes.

Identity and time

Publication numberOT-2026-000078416 · never reused
Internal UUID01a0ae95-7c28-71bc-9f30-cdf50bfa7ff9 · 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-2026-000078416
StatusPUBLIC

Content hashes

Canonical text4ea99320b3d639e002655ef0f21d112d5b91ead721e287e36c0038f2ea36a65c
Markdownf8b93f1e0d0b29f8516490c451e4c966373ecc3fd29624c55b39fc092ad86971
PDF
Publication page36ee6b0b5661601bc688237824bca368695848f7d6776bf23c78f72d0781c26c
Manifestaee8466c5cfba0b8d3d26520cb2bd65b97c0c88e5706682fd40e1d2ecab7fb2f

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/dG5gS9LzXoHLpZ8llbyCfrwBFvSQVq30fway+n9EqySasPExK6Jd1gvd7a/mQ7YCEoEKeByZaDKsrerjIvACA==
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

2026-09-17T10:06:24.543322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078416
observed 36ee6b0b5661601bc688237824bca368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.526141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078416/manifest.json
observed aee8466c5cfba0b8d3d26520cb2bd65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.508933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078416/publication.md
observed f8b93f1e0d0b29f8516490c451e4c966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.490216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078416/publication.txt
observed 4ea99320b3d639e002655ef0f21d112d...
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.