OpenTechnical

OT-2026-000047870

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000047870) never changes.

Identity and time

Publication numberOT-2026-000047870 · never reused
Internal UUID01a0ae7f-c421-7b05-979e-14b44160c5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047870
StatusPUBLIC

Content hashes

Canonical text252361e4da17ae9c3a37f8383a28c840601c7aa542dc74b9821e7eaefcde7426
Markdowne5a96986114f91fab9f3996e8500792fc9aaa4117c8e28744ba30e429070ac9d
PDF
Publication page7d9d2e5e4dde435530ca1d157c1cffd9ded177e79d5b0b66a028e9751cc4ada3
Manifest54234f580d8126b152d42271d5a27fbf00c844ffa59816e6463253efa85c543b

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
SignatureZ6MgrB/vSVc+6BH3/SWR60bmk2MqhBt+snS7PIl8CobaJ1mAeJbBuN7KU4h7C9YiPIlr1cP6JPvUPsd7ymXeCg==
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

2026-09-17T11:05:47.878898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047870
observed 7d9d2e5e4dde435530ca1d157c1cffd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.859840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047870/manifest.json
observed 54234f580d8126b152d42271d5a27fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.839390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047870/publication.md
observed e5a96986114f91fab9f3996e8500792f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.820645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047870/publication.txt
observed 252361e4da17ae9c3a37f8383a28c840...
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.