OpenTechnical

OT-2026-000085545

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085545) never changes.

Identity and time

Publication numberOT-2026-000085545 · never reused
Internal UUID01a0ae99-aaac-7521-9d95-821f9899bd90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085545
StatusPUBLIC

Content hashes

Canonical text3fc6696866d2b8ec9c9be4c63cbb51f48805927b7b17d918f8c608aea985b570
Markdown05976b8586a1eb4293d071217ab2ed85eb6f178c69decb5df7f5db395b4887a3
PDF
Publication page10ab5cfca65156047644595afb9367f6a5718cc7fb78d40eb7207449ddaf6f60
Manifeste8884b2a287e124a3ae81a10c827a1e9d33c8fa769f879f06a58f36da2457e9d

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
SignatureU4EUx1hWRMS2fcz4lVLKpMzJWH5mcLYflDwbJ64kly6UH/PYeAvoinczEn/1IUil1EQA9HF9agz3U437Y8J3BA==
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

2026-09-17T09:54:21.835799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085545
observed 10ab5cfca65156047644595afb9367f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.817425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085545/manifest.json
observed e8884b2a287e124a3ae81a10c827a1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.798897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085545/publication.md
observed 05976b8586a1eb4293d071217ab2ed85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.781479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085545/publication.txt
observed 3fc6696866d2b8ec9c9be4c63cbb51f4...
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.