OpenTechnical

OT-2026-000025250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000025250) never changes.

Identity and time

Publication numberOT-2026-000025250 · never reused
Internal UUID01a0ae71-5fa6-7456-be5f-e1f307ebd3c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025250
StatusPUBLIC

Content hashes

Canonical textcadc0a537b0494dcf882989093a52d08688964198f4616e6ea52a64bde206f86
Markdown85fe0fee5d69a64f82bfa45c2bbbd098a1797fed48e2ccb14a1fe595a0cc8c00
PDF
Publication page89552a80ad59b4ea1bab1c6edcf799900396309cd4ed23f311480154af6da841
Manifestb14951fc430c540164925f605d4782af0fb39123020230ca0dd87d273184fb95

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
Signaturec0ZKwVEEzIw9FQA+gZMhsJNCLVyxmeJ5fJ+zgsK086FYW51sj5hBgzaOaaFox8BeikJGdz3Nm3T7h3Rn+FntBQ==
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

2026-09-17T11:47:15.373222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025250
observed 89552a80ad59b4ea1bab1c6edcf79990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.355994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025250/manifest.json
observed b14951fc430c540164925f605d4782af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.339170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025250/publication.md
observed 85fe0fee5d69a64f82bfa45c2bbbd098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.322454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025250/publication.txt
observed cadc0a537b0494dcf882989093a52d08...
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.