OpenTechnical

OT-2026-000071004

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000071004) never changes.

Identity and time

Publication numberOT-2026-000071004 · never reused
Internal UUID01a0ae91-8c2e-77e4-9f12-9bd3415ed9a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071004
StatusPUBLIC

Content hashes

Canonical textfefa03c0c9bc4baffed091e8fef0522ccd8bec0789a0dd1925fe7edb97d1f960
Markdown4fcd54a58d27c6deb30d95b1c5139fd8cce34c847aacfd937591daaa66993646
PDF
Publication page39935a221b49aaa6c4952f0575f1743363977c646d526201b2570220998e49f3
Manifesta083b75436f2a34ced039c8ca0011aabbd8065d103ae3c7553a3991d05a6212a

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
SignatureymTcCcDoOV9vr34NJzqZaIJiTZiShWUPzqC04cM6usi4071kOe1DG2kN9vGTKCgtiYxtoCs1u4gxkCYbnt8JAQ==
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

2026-09-17T10:25:51.290784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071004
observed 39935a221b49aaa6c4952f0575f17433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.273589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071004/manifest.json
observed a083b75436f2a34ced039c8ca0011aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.256495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071004/publication.md
observed 4fcd54a58d27c6deb30d95b1c5139fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.239242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071004/publication.txt
observed fefa03c0c9bc4baffed091e8fef0522c...
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.