OpenTechnical

OT-2026-000042074

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000042074) never changes.

Identity and time

Publication numberOT-2026-000042074 · never reused
Internal UUID01a0ae7a-5d71-7e78-aacd-05047cb68eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042074
StatusPUBLIC

Content hashes

Canonical text548c4c9ad8f1c6f10f36c7c38f1c81ab2f9e5e8bf579e5cc57cda94019e2a6b1
Markdowna85d81a99222bd6be7f6713ad6cf41611c42e83918ace38089e58a366e12ac5a
PDF
Publication page1b9c6463b4794d25f67acf9f20da687527b76e3496f3257f313fbfc4c4a5fe30
Manifestb2a7d31b9076e6b15709ca705f139d71769c7f8cc8d3cad4ac725519839f7fe3

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
SignatureAh+twIPXVoPT+SBrzLJGbVMARRiEHAxRQWXVpMoNK5o4hRF0kCAFiDp9tW7zp6nieymGxazW5lmCcby2be1NCQ==
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

2026-09-17T11:15:35.933304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042074
observed 1b9c6463b4794d25f67acf9f20da6875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.914786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042074/manifest.json
observed b2a7d31b9076e6b15709ca705f139d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.894798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042074/publication.md
observed a85d81a99222bd6be7f6713ad6cf4161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.877790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042074/publication.txt
observed 548c4c9ad8f1c6f10f36c7c38f1c81ab...
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.