OpenTechnical

OT-2026-000091200

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091200) never changes.

Identity and time

Publication numberOT-2026-000091200 · never reused
Internal UUID01a0ae9c-f16b-7a5a-9849-967bb123f926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091200
StatusPUBLIC

Content hashes

Canonical text1f3737e7d3f1be7e604b357114f5b4d22e8bba7863fc8d150dc6a81083bec225
Markdown8389759c98a77f377d274f516e5d6990a29950b64340063a156e8360d7044d7b
PDF
Publication page7ffb56d22e0e61b590089e3bd0027ae3de6c99cd8850e30df3911c63f8e10d28
Manifest527eb81c3c8d7d9fc8b1760dc49489e322ae4658342c9bc91297cdaefc42c88a

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
SignaturehDqj2S9aGnvpunhqKXkQ41gV1ADtvznOS3YcSMyxbxirEpGUrEXH0Ykj0RmsdZlO3sXKcryMbDXre+R48zAgBQ==
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

2026-09-17T09:43:21.755511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091200
observed 7ffb56d22e0e61b590089e3bd0027ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.739857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091200/manifest.json
observed 527eb81c3c8d7d9fc8b1760dc49489e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.721581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091200/publication.md
observed 8389759c98a77f377d274f516e5d6990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.704455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091200/publication.txt
observed 1f3737e7d3f1be7e604b357114f5b4d2...
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.