OpenTechnical

OT-2026-000010012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000010012) never changes.

Identity and time

Publication numberOT-2026-000010012 · never reused
Internal UUID01a0ae6b-cb79-75ad-b3b5-2931de3c4d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010012
StatusPUBLIC

Content hashes

Canonical texta01af08831c2943b91b6d87c9a38e17442fd2156d9677e4266817ba980df9202
Markdown4968d5c37bcaeade0d9d1e9d70e89b9b26bbf5a60ddd74c188d22cc2a6b626f4
PDF
Publication pagea6c5e4281b5f4e162b097c6b56cfca852a456bcc93ae108ad30f21f811b688a0
Manifest522a4f88d77a50b32c5594f199d524a91c053406f5ad056a2b8f50dda8a8dde0

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
SignatureWgWIoUKDay0G5vSjiG3pgVOlcVbvufpAejr7Xk5OgMJH8dL2+xnFmnle0k26XoYnkGGBUnRetmSuTnOGge9BBg==
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

2026-09-17T12:16:03.915001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010012
observed a6c5e4281b5f4e162b097c6b56cfca85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.895909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010012/manifest.json
observed 522a4f88d77a50b32c5594f199d524a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.877771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010012/publication.md
observed 4968d5c37bcaeade0d9d1e9d70e89b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.856495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010012/publication.txt
observed a01af08831c2943b91b6d87c9a38e174...
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.