OpenTechnical

OT-2026-000077406

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000077406) never changes.

Identity and time

Publication numberOT-2026-000077406 · never reused
Internal UUID01a0ae94-f509-7547-adec-c69b28c2be23 · 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-2026-000077406
StatusPUBLIC

Content hashes

Canonical texta6ee958c3947b8a1bc797520e4fb83709104e42d8c9e90432e8590891e3e5867
Markdown67fc7c99acb00c2d46bf604da572785a0ae5541ebc2a0a0184fc10fffb02f24a
PDF
Publication page30f9888e7c4207875a2520c1802e368d88d2deb239d2eb78a92a1ddcbde9907a
Manifest7df902e7628109ab37d4c3f28ea19e0c3c0f615b6e7a28d0fe150607b8d6edb3

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
SignaturejiK/2cSkxrQoBoCdkNwUnLQqfY2jOyYr4SMbMR2mK44YpKcvGdSiP6V9KDEcVswW0XUzYw1YgxZHpFYPK16NBw==
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

2026-09-17T10:09:03.290577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077406
observed 30f9888e7c4207875a2520c1802e368d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.272636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077406/manifest.json
observed 7df902e7628109ab37d4c3f28ea19e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.253933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077406/publication.md
observed 67fc7c99acb00c2d46bf604da572785a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.234045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077406/publication.txt
observed a6ee958c3947b8a1bc797520e4fb8370...
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.