OpenTechnical

OT-2026-000003684

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, ejector fed

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-2026-000003684) never changes.

Identity and time

Publication numberOT-2026-000003684 · never reused
Internal UUID01a0a90a-bc86-74fb-a308-14036b069aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:28.265116Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003684
StatusPUBLIC

Content hashes

Canonical textca4cbebafd924246591f07d8901623f197289a0861471c1a32950095c8df1fbd
Markdown64c6b21d2867d52b9a881bb61220834403c533f2737884a42d92a4abb3262209
PDF
Publication pagec4247fbe68ae8eec6743c7a22ccfce7e30aa461b84aeef849853bc5b19bedee7
Manifestd8b868778c2a51d52045c902ed8d539312b1870823286916ad27c3c956121ec2

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
SignatureIFr6wy474i+SaeLySyddMsF5iY7lYoYn9KHp8WXZjxsa3T2uHIM4mWAzmH2DwprkOvKFZsxqkxfjWh01TDBbAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:35.631890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003684
observed c4247fbe68ae8eec6743c7a22ccfce7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.492210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003684/manifest.json
observed d8b868778c2a51d52045c902ed8d5393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.475608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003684/publication.md
observed 64c6b21d2867d52b9a881bb612208344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.457368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003684/publication.txt
observed ca4cbebafd924246591f07d8901623f1...
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.