OpenTechnical

OT-2026-000029917

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000029917) never changes.

Identity and time

Publication numberOT-2026-000029917 · never reused
Internal UUID01a0ae73-ac48-7c21-b1e8-fb06f0c72671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029917
StatusPUBLIC

Content hashes

Canonical text5184cddfb690477701b450f79b433ccb6d8d7e8785a6074f177db6aa6d634d73
Markdownbfe3efddffeb47eae9c91e377102dd144695076f85fe5a43be0b9cae8bfd3fc9
PDF
Publication page685dd27965b36f5fffc3d2f943d97267c1ded7acb95e5e1063c5b6aa0c59ddc8
Manifest07387f9699c735f4bdff95135271e1737b1ca30f0035ceddfe8bcc4033f75c46

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
SignatureKnPygnEEoEs6a1/aBWxL2IP4b88Qz9QDO63dviLr83X1zMzj0NypBme06w8glz/gtxBJiIqqPqfBMHnunj85AA==
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

2026-09-17T11:38:37.355470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029917
observed 685dd27965b36f5fffc3d2f943d97267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.338423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029917/manifest.json
observed 07387f9699c735f4bdff95135271e173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.321760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029917/publication.md
observed bfe3efddffeb47eae9c91e377102dd14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.302564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029917/publication.txt
observed 5184cddfb690477701b450f79b433ccb...
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.