OpenTechnical

OT-2026-000072784

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072784) never changes.

Identity and time

Publication numberOT-2026-000072784 · never reused
Internal UUID01a0ae92-89da-7c4e-a098-88de2d25dafb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072784
StatusPUBLIC

Content hashes

Canonical texte377833f07a076709739b005918a57bd26c6f742e5c2ddc58ae658aa5cfa7d81
Markdown6cddedad05f63bab213712df07c01f49dce9a0a6b7e6091cad0ac9ca5fad974c
PDF
Publication page9b98c8dcf523ddc9e62c24ef6b3df96f2414831681f48b7c7f23f015b785201e
Manifest29b8c03f72d2b72940acdaa01e05e92db436d7b2f105d801434bc1690420f057

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
SignaturetZ1ActKk/yW/2niZSpQESW0gsARVKF5zXmPbJ6Hywg63WKsPEaZukNf+0kpb98Ie0jk+PoMDPL4NCsIlUQcTAQ==
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

2026-09-17T10:22:41.757848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072784
observed 9b98c8dcf523ddc9e62c24ef6b3df96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.739802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072784/manifest.json
observed 29b8c03f72d2b72940acdaa01e05e92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.721672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072784/publication.md
observed 6cddedad05f63bab213712df07c01f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.702134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072784/publication.txt
observed e377833f07a076709739b005918a57bd...
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.