OpenTechnical

OT-2026-000078230

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000078230) never changes.

Identity and time

Publication numberOT-2026-000078230 · never reused
Internal UUID01a0ae95-7c26-7b8e-9906-87c153d8e951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078230
StatusPUBLIC

Content hashes

Canonical text796e872aa8c8b3684f74a85a299943b5f770ac1d2b1d8ce5022bdb90009ded8d
Markdowna135056e517b34e601e0c6eb3c033962332c69038b29ddd4e14367148ef7eca6
PDF
Publication page7c28394bb02ff239545efdd078e69c63c667f9b8346c21a66c7bfb179b3466dc
Manifest43f3b83695989c9388e5cd4b344b533f25b923d939c0767d77f074216aff2a97

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
SignaturencdlF9XeLM6q0J/P4Z0ZlWBtA87alyYpkQqcTKs1qEaxGQpqABE4pWFquIzz00AE9b7fY6MRt0IlM22jO8pmBQ==
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

2026-09-17T10:06:10.733763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078230
observed 7c28394bb02ff239545efdd078e69c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.715430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078230/manifest.json
observed 43f3b83695989c9388e5cd4b344b533f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.699289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078230/publication.md
observed a135056e517b34e601e0c6eb3c033962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.680956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078230/publication.txt
observed 796e872aa8c8b3684f74a85a299943b5...
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.