OpenTechnical

OT-2026-000048416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000048416) never changes.

Identity and time

Publication numberOT-2026-000048416 · never reused
Internal UUID01a0ae80-4de5-7ca0-ac1b-0cd9c77fb761 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048416
StatusPUBLIC

Content hashes

Canonical text1e0a3664db2aaeaf710a2910a6b887445f4c4484a280507e8af10f23feb314eb
Markdownd1d70b19b031ce6f8ec78fa9273b151520a4537051f0d1e260e150bd600f5e83
PDF
Publication page711b8683f3f49451e41c7c7fd0184219628b4d57cfd3905b3285f30a91f1a632
Manifest26551db6ade812dbcce1a087243652e4d0b246054c6e6bd2886a708101d3278a

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
SignaturefUu1Vr6ekn5ZwYNFUgGk3VF0xKukOgdqO9vJIfsmjYpWwBe9M1rUHoNfaLtPPzX+UQC37bU/Q9I4Bn+472RxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:03.581595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048416
observed 711b8683f3f49451e41c7c7fd0184219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.561769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048416/manifest.json
observed 26551db6ade812dbcce1a087243652e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.542406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048416/publication.md
observed d1d70b19b031ce6f8ec78fa9273b1515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.523528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048416/publication.txt
observed 1e0a3664db2aaeaf710a2910a6b88744...
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.