OpenTechnical

OT-2026-000091918

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000091918) never changes.

Identity and time

Publication numberOT-2026-000091918 · never reused
Internal UUID01a0ae9d-43bb-776c-bd6c-fbfdd72967e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091918
StatusPUBLIC

Content hashes

Canonical text444512149adef53d3f673a9ccc478d9c608bff5e106f8a606253ccb83c5c2c61
Markdown06c2952bbeb1dfc105b76639417a1e4b5064d81e5e51e88c90388c278c9ff0cb
PDF
Publication page3d42b5c6e88af4977727b95914e3ad02e9c1ba844a804fd76e6e67fc228fc4fd
Manifest45cdd84ff3a406ddb92db4e30892211daa65092b9f9ea2809ebd60e45fdae95c

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
SignatureSwt/0dRrcFycY19JgcskmBCL5aVna1KtxxPNfUfol1Oxc/dHRYXdxeoOYJbPBIi6DqMhsDk6VTC/fqtTymmHDg==
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

2026-09-17T09:42:51.516045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091918
observed 3d42b5c6e88af4977727b95914e3ad02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.498981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091918/manifest.json
observed 45cdd84ff3a406ddb92db4e30892211d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.482265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091918/publication.md
observed 06c2952bbeb1dfc105b76639417a1e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.465912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091918/publication.txt
observed 444512149adef53d3f673a9ccc478d9c...
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.