OpenTechnical

OT-2026-000077908

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000077908) never changes.

Identity and time

Publication numberOT-2026-000077908 · never reused
Internal UUID01a0ae95-2ed1-7449-b5a9-72857e1fd45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077908
StatusPUBLIC

Content hashes

Canonical text52f42e5fc6ed692abada0a3e4158a89cabd466d3c3f936514a5740d4947c91cd
Markdown24b5b694556ef8109250db2131535e111aba49d4119652ed76451e281f0122a2
PDF
Publication page049a8fcc4c0c57ddd4b350aa82e56ee3706eeb6925aadb8cc1542476a8fa3eb8
Manifest0c88b3829e9f66514cafe0312800527d8227571ce7efcf666126e17ffe8f6a7b

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
SignatureZ28jCA07T0TiXIPHCjRgwK15IKybSgJcvb6IFwANlXmfmEQ5WkVigK9HW8La1LBqdKs+bTHlL26caoUm5K0WCw==
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

2026-09-17T10:06:58.847968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077908
observed 049a8fcc4c0c57ddd4b350aa82e56ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.829882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077908/manifest.json
observed 0c88b3829e9f66514cafe0312800527d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.811452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077908/publication.md
observed 24b5b694556ef8109250db2131535e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.792459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077908/publication.txt
observed 52f42e5fc6ed692abada0a3e4158a89c...
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.