OpenTechnical

OT-2026-000030782

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000030782) never changes.

Identity and time

Publication numberOT-2026-000030782 · never reused
Internal UUID01a0ae74-3fb4-71a6-955d-9466772ac46c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030782
StatusPUBLIC

Content hashes

Canonical text010c79bea8b549568c80d4b5dbf32f201552a73ed37d7a033c5a0b2c13b59ff0
Markdownfd0fcb5ccb8e140cf4675e996870ed985b53727c75618d8cb4a6bae8340b2fa6
PDF
Publication page949eda70db7b232bddb1c5974b6f485dc8c326560352336a7f9b5050df302395
Manifest1489fddae6407a8f6461aca45e1fb60d1490f0a3676e43f033d65e7a64a1561d

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
SignaturenR0SiXsLlUHtLRYmLErHOH2/ndcDfmCq0Jg0BpR9kLTQxHb32Tebvs1sumB7xI0D5gP/m81hiD8bwNUz/fLyAA==
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

2026-09-17T11:36:44.694095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030782
observed 949eda70db7b232bddb1c5974b6f485d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.675110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030782/manifest.json
observed 1489fddae6407a8f6461aca45e1fb60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.658256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030782/publication.md
observed fd0fcb5ccb8e140cf4675e996870ed98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.640200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030782/publication.txt
observed 010c79bea8b549568c80d4b5dbf32f20...
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.