OpenTechnical

OT-2026-000050359

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050359) never changes.

Identity and time

Publication numberOT-2026-000050359 · never reused
Internal UUID01a0ae82-5c47-7e05-a5aa-9bdc31e522d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050359
StatusPUBLIC

Content hashes

Canonical text9e9fad728d3a5b951fc29a4f1547a6459dbc60ff3bc4cd924fcaf12d78194882
Markdown5b32945a60ad80c449b8031ca5c3938e6180d12eaf36d6b501b350b002ff486d
PDF
Publication pageceab7345114c0bce40a56eba891015fa4e49f6bb5faf7ba6ffce1b8ab58971a7
Manifest2e1e3722a7c24d6f6300aa4638c851b9d90055b16e4d89d78625b60a41eaec26

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
SignatureNYGOT0j77Y1Y1KeY2BM5HZ62f3/bO4KdXOq2+wKE55NQAeh4+HPqEEXos2qa2l3QLlBefsenZDNyPzmjkQJSAg==
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

2026-09-17T11:01:23.501674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050359
observed ceab7345114c0bce40a56eba891015fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.486692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050359/manifest.json
observed 2e1e3722a7c24d6f6300aa4638c851b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.470018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050359/publication.md
observed 5b32945a60ad80c449b8031ca5c3938e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.431421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050359/publication.txt
observed 9e9fad728d3a5b951fc29a4f1547a645...
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.