OpenTechnical

OT-2026-000064504

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000064504) never changes.

Identity and time

Publication numberOT-2026-000064504 · never reused
Internal UUID01a0ae8d-a461-71da-b490-5af172d014ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064504
StatusPUBLIC

Content hashes

Canonical texta7e07791cf75a611a1080c154fdc7874106c66fad4c46d1ef7a77587c89fe1d8
Markdownf4ef066eb0f646d19e5ac428cfb5db4e4a9345b2357f1592a48a881028e0d5dd
PDF
Publication page55fdc3c2abce6dc349b522268cb30ac478fd8441a7e32e13c44c28f83226ec25
Manifest4d9968d7e40d920721ed228ae8ea0631ac64275b4ba9ccee679748afe889f031

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
SignatureBLUiDJfdkmfBXjVyKAtbqZj8lfb9RYadKDtqQ6roWPbmch1qQ50sVBNtc7P2/aMOk3crfyhdfqQjK/Y5U5TyCg==
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

2026-09-17T10:36:42.726687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064504
observed 55fdc3c2abce6dc349b522268cb30ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.707806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064504/manifest.json
observed 4d9968d7e40d920721ed228ae8ea0631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.690188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064504/publication.md
observed f4ef066eb0f646d19e5ac428cfb5db4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.673698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064504/publication.txt
observed a7e07791cf75a611a1080c154fdc7874...
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.