OpenTechnical

OT-2026-000023009

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000023009) never changes.

Identity and time

Publication numberOT-2026-000023009 · never reused
Internal UUID01a0ae70-46ec-76da-8c97-34af0e3abcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023009
StatusPUBLIC

Content hashes

Canonical text04cf02a3914d5dd033a39b45557fe11df2b03100149bb6936c55e16076465289
Markdown8d2e8c5402993e2a69059d9630fdf921c3a5c28f4ef93616a41d2159bbc43b05
PDF
Publication page6c2bb2ff0ac10a0de64ebf6aefad8c554eb9652ad3c0022ee592f802f820266e
Manifest802333fceca34e2b0248b79d7c3de9cf105edfb2afd2e4eff0d133779381a4b0

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
SignaturePi5v9S5M7lJ6vStbcCfrtWeEMlzbksV2YYwQT1DA3m3qGb6nKAERvD4RRK6cvcrAyRhyuX8lCDUS0A+r6he2BA==
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

2026-09-17T11:52:36.283835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023009
observed 6c2bb2ff0ac10a0de64ebf6aefad8c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.266121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023009/manifest.json
observed 802333fceca34e2b0248b79d7c3de9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.249166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023009/publication.md
observed 8d2e8c5402993e2a69059d9630fdf921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.231677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023009/publication.txt
observed 04cf02a3914d5dd033a39b45557fe11d...
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.