OpenTechnical

OT-2026-000064628

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064628) never changes.

Identity and time

Publication numberOT-2026-000064628 · never reused
Internal UUID01a0ae8d-deb8-73d6-a0b2-48cf679f50fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064628
StatusPUBLIC

Content hashes

Canonical text3d1da5c6581d851e2ea441d32b2716d706e78c79eecfa019418162433b9cece4
Markdowne7aa74fe28c7e36252eb4467c26073c2ec657633f6c7db0fa878bd243c6d3820
PDF
Publication pagea1c5f3584b994c2d886cd6bd09dd00dc0880cbf880ebef8d8d45d2ab260c509e
Manifest1a7b5513f8a99452cedfcd3fa35f37b1c653dc9379a9730f64090a01181fa4d0

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
Signaturedlyy4irOmhixMUOrLVkk1E0STT2xfXarOVoM2XwIGPtgTyj0Lb2bzFp9VkilLwq8cICS9HGpp7mm7yXw4Rw7DQ==
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

2026-09-17T10:35:24.551606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064628
observed a1c5f3584b994c2d886cd6bd09dd00dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.535458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064628/manifest.json
observed 1a7b5513f8a99452cedfcd3fa35f37b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.518847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064628/publication.md
observed e7aa74fe28c7e36252eb4467c26073c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.502161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064628/publication.txt
observed 3d1da5c6581d851e2ea441d32b2716d7...
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.