OpenTechnical

OT-2026-000045990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045990) never changes.

Identity and time

Publication numberOT-2026-000045990 · never reused
Internal UUID01a0ae7d-8f89-7aa0-a8b6-2863beccf070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045990
StatusPUBLIC

Content hashes

Canonical textbd2bcf62b5e0fceef55705857c81aab24e43e5f5aa1090bcc3af8810831e41b3
Markdown40295f9f2a49322162da31e783eccb29ca855632992b40326a7449ded91173e9
PDF
Publication page239c0bfbfe35e2a590b473644733c55c7abf5070364f370e7db3ca66e3d574d7
Manifest4337a42c013d76318848c545cbfacded03cbeb3d7835a52b63bb8129a9b06863

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
SignatureKGpsTDa8IAocY+bLzpVdmwJlps7pxXd4hl8X84Bg0kRk7U1rHxKudQ4LEdYCjWmcfp6fta+xxIqw22HJ0ShyCA==
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

2026-09-17T11:09:59.271120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045990
observed 239c0bfbfe35e2a590b473644733c55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.250895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045990/manifest.json
observed 4337a42c013d76318848c545cbfacded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.231552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045990/publication.md
observed 40295f9f2a49322162da31e783eccb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.213908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045990/publication.txt
observed bd2bcf62b5e0fceef55705857c81aab2...
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.