OpenTechnical

OT-2026-000029468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029468) never changes.

Identity and time

Publication numberOT-2026-000029468 · never reused
Internal UUID01a0ae73-5e21-75ef-987d-02e24371e427 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029468
StatusPUBLIC

Content hashes

Canonical text80d9a85491035f46ce56d12333a6685b42b9444fbb1fb3b6656c760b6aed3ad4
Markdown2e99594dac65e8369c74ff9b10e23ec1110b82c43e5f81584defcbf4a91169ba
PDF
Publication pageb5e224fa2bb332f2d7344277294f11fad00fbac7e010c84a6766bee57687eacd
Manifest9ce437a97f3c84b71fd00e5068ccdc9ab7b45acd7299391aba863b08b76874aa

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
SignaturekKbzv+uxvVPSf1mydoie5eqhMSIBJxu866qGbssXKqjod6GOJIFO72XjfvG/idsdnaorhuv7KcbAQ6585Wr/CA==
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

2026-09-17T11:39:05.518163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029468
observed b5e224fa2bb332f2d7344277294f11fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.501324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029468/manifest.json
observed 9ce437a97f3c84b71fd00e5068ccdc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.484150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029468/publication.md
observed 2e99594dac65e8369c74ff9b10e23ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.467621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029468/publication.txt
observed 80d9a85491035f46ce56d12333a6685b...
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.