OpenTechnical

OT-2026-000061869

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061869) never changes.

Identity and time

Publication numberOT-2026-000061869 · never reused
Internal UUID01a0ae8b-b8ac-770f-bd9e-56ff9e22406f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061869
StatusPUBLIC

Content hashes

Canonical textaf49350148f14d08d530103a21cbe73ef9abe8bd58e16ac58f7870675fd7d22d
Markdown0f115c23d4f2e0cc490d4eec8cc0dadbad04404034fa7581d2e163359e3e4322
PDF
Publication page909942d5023a2312d7d6dabf28a3f74db934e59c186b44b84977ebe2e01f7d7f
Manifest4b445c732a6602ee8e1e2cb38d1fd8fc0f1b45b010e18fca7bd2f229e096f600

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
SignaturewZXLpY5juAlOt9XUaIFZQ5YfSK3txsGFPo6TwoTyhl5pSr064YiqiFjTizl7XvAlhwe+zZo6+TuevVtnSaShDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:43.794588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061869
observed 909942d5023a2312d7d6dabf28a3f74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.769254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061869/manifest.json
observed 4b445c732a6602ee8e1e2cb38d1fd8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.748000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061869/publication.md
observed 0f115c23d4f2e0cc490d4eec8cc0dadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.719253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061869/publication.txt
observed af49350148f14d08d530103a21cbe73e...
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.