OpenTechnical

OT-2026-000029114

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000029114) never changes.

Identity and time

Publication numberOT-2026-000029114 · never reused
Internal UUID01a0ae73-2a9f-7043-ad63-737dd2ca2c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029114
StatusPUBLIC

Content hashes

Canonical text3321102414dcb49d8da8a495f50e4270908e5e6b43d84120c6119328960ab913
Markdown78b4a2b5002b56050b0da4ee9d0b26a133c87ed9d148c0d227788fc5dd39d34e
PDF
Publication page08ce3c82f362a51308bcd80d61db7c7e00187511676a9782236fcfb8ba9d2e67
Manifest99edb989dd5f651357abc28f1b1cfd2543329606dbea384f2af839238a573793

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
Signature9qrVChNf+BEH2dtGiSxKcqiMUHWQ5mQz+TkTUKdeBXrv0hZ2g5c93I7OYv8O1OG1Aht9yLIAA3cfOd8RAuplDA==
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

2026-09-17T11:39:35.741419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029114
observed 08ce3c82f362a51308bcd80d61db7c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.722126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029114/manifest.json
observed 99edb989dd5f651357abc28f1b1cfd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.705020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029114/publication.md
observed 78b4a2b5002b56050b0da4ee9d0b26a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.684551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029114/publication.txt
observed 3321102414dcb49d8da8a495f50e4270...
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.