OpenTechnical

OT-2026-000079725

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, sustained blow-off 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-2026-000079725) never changes.

Identity and time

Publication numberOT-2026-000079725 · never reused
Internal UUID01a0ae96-4375-7062-84fc-9cb20ca747b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079725
StatusPUBLIC

Content hashes

Canonical text599fee125fc0f5a1e0d138b6a12890c26537195df29bb1c94b596e73b5c9f3a2
Markdown8ef44e97bb373b1544867ece1c33c7ca85dc610b696bf3a4ac32f58a1e3a7454
PDF
Publication page6c3617d2d61ff3df3a660f7c332f7aef1b289444d1b0a0b217c6e274d3bc7ca0
Manifestfe0db8a0091ce5fa1851ec48dfdc3e9827e54f12d89d0e1130d45533e54a3353

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
SignatureD9uLsFPhz+bsYc5f6kXvhWsTBqWEKV2bp07VFNrStwqeweLIaN6cmUKCxBtp73TQvyjOPexsso0bp7OFkt8tBA==
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

2026-09-17T10:03:35.290709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079725
observed 6c3617d2d61ff3df3a660f7c332f7aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.272328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079725/manifest.json
observed fe0db8a0091ce5fa1851ec48dfdc3e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.254588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079725/publication.md
observed 8ef44e97bb373b1544867ece1c33c7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.236794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079725/publication.txt
observed 599fee125fc0f5a1e0d138b6a12890c2...
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.