OpenTechnical

OT-2026-000041518

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041518) never changes.

Identity and time

Publication numberOT-2026-000041518 · never reused
Internal UUID01a0ae79-e89f-7187-ad56-d30aa4536898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041518
StatusPUBLIC

Content hashes

Canonical text2eeacb40ad5aab60ced10c798537099da698b93372bec7a09ad2553508a15e0c
Markdownd524eb80b7be4de3ec88f1bb2ada3e752791bae456bb36ee25d8cee8edc800a7
PDF
Publication pagec986ff5de63c8aef5353aadd16f584a099e53b235d24b1f50627840ed8fb7bb9
Manifesta81a7a1485d763a0babba7828b4f905aaaae837286fb286fb934232f1ad39e08

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
SignatureT2du+qcJP6FivpmACxSXoH/NScNOYW7Cz3tO2lU6KK2pRvdkEphEszvNQbMjcT+vBVjDIoTNcSlGIdBKTQqbCg==
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

2026-09-17T11:16:17.275033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041518
observed c986ff5de63c8aef5353aadd16f584a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.257114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041518/manifest.json
observed a81a7a1485d763a0babba7828b4f905a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.238637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041518/publication.md
observed d524eb80b7be4de3ec88f1bb2ada3e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.221828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041518/publication.txt
observed 2eeacb40ad5aab60ced10c798537099d...
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.