OpenTechnical

OT-2026-000078725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078725) never changes.

Identity and time

Publication numberOT-2026-000078725 · never reused
Internal UUID01a0ae95-ccbc-7a46-9588-ef83c812b255 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078725
StatusPUBLIC

Content hashes

Canonical text7238869a1e3b7b590d46e0bd6ad7c86dc577ec84390d40712df99a9aef571bf1
Markdowncf8d6d03855a5b43c98987350feba62132a6bafd22799e52f2688be7d42cd62c
PDF
Publication page74e6ec2bff014e4b99dccddd138279acec1d58ec6c8635415b5484c94af1e3f2
Manifest921e892109f53fb273dd858b4ba1f76c6a0399136eb5098fafa8ac22767358d8

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
Signatureq9LTHvjR7+Gc+LhRq7j1wVUtcz7rhliXYFQWeFeYVR9otTeROPALHX4kOSD/Xd/+ljrw/0YyVXXCG1ISfLFRBQ==
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

2026-09-17T10:05:30.494644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078725
observed 74e6ec2bff014e4b99dccddd138279ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.476213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078725/manifest.json
observed 921e892109f53fb273dd858b4ba1f76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.454601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078725/publication.md
observed cf8d6d03855a5b43c98987350feba621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.435810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078725/publication.txt
observed 7238869a1e3b7b590d46e0bd6ad7c86d...
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.