OpenTechnical

OT-2026-000090086

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000090086) never changes.

Identity and time

Publication numberOT-2026-000090086 · never reused
Internal UUID01a0ae9c-428e-7d4b-9567-962a5690c274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090086
StatusPUBLIC

Content hashes

Canonical text890c6d338c2cf0abc8bc107b96d223ddcfcb899b8d458d638cf44966b93b0c54
Markdown84e8c6a12e1a22f58cac37b180286b3bfb1c4d262bbca04b3c3dc834e0692261
PDF
Publication pageec243ff8722155fd10f0f4e6a6aa297e377d33b68eba680d33e31e80d5477f80
Manifeste8c65226fe1c3d2d383eee62e19e52844b6b4f853ab53f3e1ab0f43ed246395f

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
SignatureZN90PBOgqFcIIvTWfIwJLEthzx7b9u1wAk1Pfs9wyXI8LEE9IunDWnNRy0PZ1hrDVWBHrDfrDC+NcpT3rHqSBg==
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

2026-09-17T09:45:30.380344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090086
observed ec243ff8722155fd10f0f4e6a6aa297e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.362273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090086/manifest.json
observed e8c65226fe1c3d2d383eee62e19e5284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.342399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090086/publication.md
observed 84e8c6a12e1a22f58cac37b180286b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.322449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090086/publication.txt
observed 890c6d338c2cf0abc8bc107b96d223dd...
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.