OpenTechnical

OT-2026-000043289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000043289) never changes.

Identity and time

Publication numberOT-2026-000043289 · never reused
Internal UUID01a0ae7b-327d-717b-8235-25cb13cb40cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043289
StatusPUBLIC

Content hashes

Canonical text788dd1deae228388df97a97bb13b8c9fa0233eb805ce82554034a83d0fdcb98a
Markdown08752034c2c9d1c634cfe63935c40a572e2df896c493c809fee0f729216dee81
PDF
Publication page6d0497ff180e16e60de1f9c44975b2184dc6139cc736a0fdfd50bbdea39582b3
Manifestf5cf5cac3f3e90477de0f803508bcc1cb799ec5d5ee29a408b196502e6fe3d8a

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
Signature6VU/+Hx1o33Z10gEvvppf8tWaZZnqUvr2KWCjfmGst9htxMHxneONXzq9j7SRk/9VN/5rPHyhrYplfJOeLJaAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:46.974948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043289
observed 6d0497ff180e16e60de1f9c44975b218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.955592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043289/manifest.json
observed f5cf5cac3f3e90477de0f803508bcc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.936019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043289/publication.md
observed 08752034c2c9d1c634cfe63935c40a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.915223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043289/publication.txt
observed 788dd1deae228388df97a97bb13b8c9f...
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.