OpenTechnical

OT-2026-000023846

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000023846) never changes.

Identity and time

Publication numberOT-2026-000023846 · never reused
Internal UUID01a0ae70-aed5-7f0c-9e69-603efced78bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023846
StatusPUBLIC

Content hashes

Canonical text5b613710d8d91ece89d9c66e5437e3afc4b6f1518ad3cacb79e695594e2bac08
Markdown7317e7d94087927e366416083207f5b8961ae70699086164aaa21b04695c0df0
PDF
Publication page04347f2fa6bb73acfb61bd7c3ce396e0d4c065a1a786375b381cf8d073c70ddb
Manifest12e9111c388bee184ffb306cc238fd29ba9cd9f63039516511e2f99633ab253e

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
SignatureuJZb5Axxg6hRYyqmPZP1n9A4Hl0k597/vxdpnrV7cJoBZCIBnC9mqlNqblkERvEOTosfZkRuCvhWOzmZI0pADg==
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

2026-09-17T11:50:20.463076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023846
observed 04347f2fa6bb73acfb61bd7c3ce396e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.417656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023846/manifest.json
observed 12e9111c388bee184ffb306cc238fd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.401949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023846/publication.md
observed 7317e7d94087927e366416083207f5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.380872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023846/publication.txt
observed 5b613710d8d91ece89d9c66e5437e3af...
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.