OpenTechnical

OT-2026-000038424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000038424) never changes.

Identity and time

Publication numberOT-2026-000038424 · never reused
Internal UUID01a0ae78-2d53-7a5d-bf65-e2548fc6e4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038424
StatusPUBLIC

Content hashes

Canonical text72c5cc508f55779be3839d6c7387ba112b1b5b9f68905784833ab612a6dded84
Markdownfa78184aa3cc50264fd03ac0a8614d5d64e2e946294cedd28e96772194af08dd
PDF
Publication pageff5d4b22b57183ce714f0d28074f4ac934517d968d116a357f33a58fcda82a41
Manifest5ce0048afcb3a52194b427dd70bad928b4be9817a4f3d01350731db25d8ba3e8

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
Signatureo03wVdWn51Sn/ol3bp3f7SCrWgBTABvrNyhXzZsIbC96gzUIqo07HkiJ75+U9pSumSUW9qEyfg5Zb8Mex7gTDA==
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

2026-09-17T11:22:38.173129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038424
observed ff5d4b22b57183ce714f0d28074f4ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.156488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038424/manifest.json
observed 5ce0048afcb3a52194b427dd70bad928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.139293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038424/publication.md
observed fa78184aa3cc50264fd03ac0a8614d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.120337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038424/publication.txt
observed 72c5cc508f55779be3839d6c7387ba11...
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.