OpenTechnical

OT-2026-000091674

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000091674) never changes.

Identity and time

Publication numberOT-2026-000091674 · never reused
Internal UUID01a0ae9d-43b8-7cdd-88ce-164e697aa4f8 · 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-2026-000091674
StatusPUBLIC

Content hashes

Canonical text72b243d01532f4b7eef9172841b281403349261ac1b3c08d4ffd5e894057915b
Markdown3b5d5c04b14ef69ebbc7c26edcb67e8e4be14ff3b09bd99c340c776f6f1ff674
PDF
Publication page3c24c0c3a552b773c5f45e5f8c6d4ddddc8bda27515a6797098692a48f74023b
Manifest5d1e11a823b31404657288780561cfd70e9cf9c3a47605fbf51d197db97a7470

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
SignatureJ+nmpREPNF3XdtlAstruEE4yB3INZH4S3A32ofRzZoGuPn770acEiccnQfaWBacQ1zdWnsjkBPCRvuryQ7JNAA==
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

2026-09-17T09:42:03.282014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091674
observed 3c24c0c3a552b773c5f45e5f8c6d4ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.264703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091674/manifest.json
observed 5d1e11a823b31404657288780561cfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.244391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091674/publication.md
observed 3b5d5c04b14ef69ebbc7c26edcb67e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.226347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091674/publication.txt
observed 72b243d01532f4b7eef9172841b28140...
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.