OpenTechnical

OT-2026-000065409

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000065409) never changes.

Identity and time

Publication numberOT-2026-000065409 · never reused
Internal UUID01a0ae8e-46f8-7a48-a3b2-209418e73f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065409
StatusPUBLIC

Content hashes

Canonical text7883214a9024bbac49bfe0d6bec67e6880b3e25a4240d5424a9cf711845ecefc
Markdownde265b99bf7c4dfb8e970a7e2b7e5efccfb67134950c7cafcbed9d72ae2cef29
PDF
Publication page609f0802dc61866b1eb1abe35121e7eaad296d7b50f05dc68b200325c9c559e8
Manifest9e09fdfee010bb30c173589c133a80aa7e1d978d5b074a5e13709dd612bc00fd

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
SignatureAe2i0RI+bAY8Y3xRdu/5Kp05ei+T1ia02np3UBbgxEhYQtVM6LYhWwouxh1fjhMg6R776AJyVMegQ6nBIcQ+Dw==
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

2026-09-17T10:33:40.413864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065409
observed 609f0802dc61866b1eb1abe35121e7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.396882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065409/manifest.json
observed 9e09fdfee010bb30c173589c133a80aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.377964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065409/publication.md
observed de265b99bf7c4dfb8e970a7e2b7e5efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.359463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065409/publication.txt
observed 7883214a9024bbac49bfe0d6bec67e68...
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.