OpenTechnical

OT-2026-000091225

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091225) never changes.

Identity and time

Publication numberOT-2026-000091225 · never reused
Internal UUID01a0ae9c-f16c-7b2e-ba3b-345be511629e · 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-2026-000091225
StatusPUBLIC

Content hashes

Canonical text89a21d0f192309cdce67a4761f8e17cfe14f4b7f2ae8248c8b73efde133374ce
Markdown597a22667f3e095e00bd638f29900513b309a8b08ad4b4ca1f4c24fa82b14a54
PDF
Publication page1355482cce89f2ea7cee1c538c584d8aaf955cce01932bde7a379cc3b679f2dd
Manifest14e28e89b507927ea3b471c1afc38461b5d35dd5da0f01ebbba91809fb1cbf51

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
SignatureFyLbcPekoz9GwhFWnEW0f9TQs0cyQ6oMQGxwSd0uCdZla3D70kbeoPxwxZX5y0M8ZHtKyhjfvavKSDurrnjeCw==
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

2026-09-17T09:43:23.870600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091225
observed 1355482cce89f2ea7cee1c538c584d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.854961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091225/manifest.json
observed 14e28e89b507927ea3b471c1afc38461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.837440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091225/publication.md
observed 597a22667f3e095e00bd638f29900513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.819661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091225/publication.txt
observed 89a21d0f192309cdce67a4761f8e17cf...
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.