OpenTechnical

OT-2026-000030214

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000030214) never changes.

Identity and time

Publication numberOT-2026-000030214 · never reused
Internal UUID01a0ae73-e500-7d31-b555-2b6dd8c954c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030214
StatusPUBLIC

Content hashes

Canonical textc755f18309bdad851d413187e941dc776e5627089ae4939553ef2f12b454f00a
Markdown3bd200bc24b1125e34a8f96853dc6799a3a64aeb6fc980b87c7b9d74bcd479a0
PDF
Publication page5a92a016136e9edb464662d186c10a7d117089a60604c5ab7b2006c473b097e8
Manifestbbf29f323ddd8f4c2c0d0aeb42aa199b5c2d5624e1191406c0fdcda088d06631

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
Signaturewka+LQiE6beSAeEEgsmBBvjpor8xBsiztvivuJch7ACuvBnoQIOANku2JRgGtEexWLA1uDA9CWfEWUwCSoYdCg==
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

2026-09-17T11:40:35.287019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214
observed 5a92a016136e9edb464662d186c10a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.270219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/manifest.json
observed bbf29f323ddd8f4c2c0d0aeb42aa199b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.253366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/publication.md
observed 3bd200bc24b1125e34a8f96853dc6799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.236425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/publication.txt
observed c755f18309bdad851d413187e941dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.802171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214
observed 5a92a016136e9edb464662d186c10a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.783160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/manifest.json
observed bbf29f323ddd8f4c2c0d0aeb42aa199b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.766181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/publication.md
observed 3bd200bc24b1125e34a8f96853dc6799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.748674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030214/publication.txt
observed c755f18309bdad851d413187e941dc77...
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.