OpenTechnical

OT-2026-000078298

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000078298) never changes.

Identity and time

Publication numberOT-2026-000078298 · never reused
Internal UUID01a0ae95-7c27-7220-a1aa-e6ed97e5fc4d · 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-2026-000078298
StatusPUBLIC

Content hashes

Canonical text18f658f24402cce62917cb6e7df55c012bad683ca5e61ebc13a031b6197f35c3
Markdown921f9f3e0b62773448cd63c5b58c89e8236cf848e4c3e6759e7e0b9a83f7e922
PDF
Publication pageed70c9ba56c9139ef81276bf0c61d6efc52172dd15c39c42231606e4aae387b0
Manifest2aaf678be43a75dd0225e9279cf1b4c8a8d7a24767cd200bf2065ee08c40e47d

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
SignatureW+TYKhEPMeh6qOG+1SCoFuiGryGcP996N/TMqLI7ZVaPGCgzJDZCtn41zB8RDbjGNgRyWY25mbWA0nw1Y1unCw==
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

2026-09-17T10:06:15.775889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078298
observed ed70c9ba56c9139ef81276bf0c61d6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.756766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078298/manifest.json
observed 2aaf678be43a75dd0225e9279cf1b4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.737954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078298/publication.md
observed 921f9f3e0b62773448cd63c5b58c89e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.719669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078298/publication.txt
observed 18f658f24402cce62917cb6e7df55c01...
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.