OpenTechnical

OT-2026-000077414

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-2026-000077414) never changes.

Identity and time

Publication numberOT-2026-000077414 · never reused
Internal UUID01a0ae94-f509-7cb9-b6f9-a162825da7fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077414
StatusPUBLIC

Content hashes

Canonical textec15c86dcd1c154527c02d92f2fe3db6ff105cf219492b27b13fb88b6c7753a8
Markdownb6cff99aaae19da6ead9a71f8667a8c81fcad04c90d4cb04e7e07a4713345412
PDF
Publication page40f7079cbb1d4e6c647f0e94510be48b2bfb2da7c56a53a24b48165780905c37
Manifest9d5d1e3017efbe97df011e432916c7386d4794196b1eccb4cbd1451e4241fd06

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
SignaturepuJ+LmzKbarixA4AUvZ7zBNvSTh2KHMEYc4ZoPW4KhgrDc7UYExanPop/zf2VVSKYy3/Zf1rCa4Mf/nKNbM9Cg==
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

2026-09-17T10:09:03.849218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077414
observed 40f7079cbb1d4e6c647f0e94510be48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.828999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077414/manifest.json
observed 9d5d1e3017efbe97df011e432916c738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.807311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077414/publication.md
observed b6cff99aaae19da6ead9a71f8667a8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.786718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077414/publication.txt
observed ec15c86dcd1c154527c02d92f2fe3db6...
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.