OpenTechnical

OT-2026-000063152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000063152) never changes.

Identity and time

Publication numberOT-2026-000063152 · never reused
Internal UUID01a0ae8c-94aa-7793-a3f3-a2ae63daaafc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063152
StatusPUBLIC

Content hashes

Canonical text615e812875f2160ff70af5565cab90c4b2dfd8fc5cae312b24d8949fa66ce27c
Markdown0c5f5de398dd7ab3d4978944dc09ada9be4775f7b2ce190040831d8cc9767bf3
PDF
Publication page56289eeafd63b823940faf0a4558600f3a70f8b27246350200ebe0f539bb0a12
Manifest3e9cd0ec75a66e7cbef5864bbbd02becad3d11d42772ff625014bd9d13670116

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
Signature+BrLDmyITni2KDGchW5pkBzse1VwYC0hEt7p/XrurTo5zPbc6jKsRALWvYHSmqvFe5C/w9t7n8X5EYDfOM0pDQ==
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

2026-09-17T10:38:56.335673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063152
observed 56289eeafd63b823940faf0a4558600f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.318350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063152/manifest.json
observed 3e9cd0ec75a66e7cbef5864bbbd02bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.299735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063152/publication.md
observed 0c5f5de398dd7ab3d4978944dc09ada9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.282814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063152/publication.txt
observed 615e812875f2160ff70af5565cab90c4...
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.