OpenTechnical

OT-2026-000042086

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-2026-000042086) never changes.

Identity and time

Publication numberOT-2026-000042086 · never reused
Internal UUID01a0ae7a-5d71-7f6f-be58-cb73838c0611 · 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-2026-000042086
StatusPUBLIC

Content hashes

Canonical text9aaa3b8ad4b660189b1579ba8d9824d4c92e54cdc412f5bae07875c0913f6b3a
Markdownb32b337533dc42ef9afbc1913e6935a01aa339443e128d1b39a42e43c985c79f
PDF
Publication page9f4c4a2d0c07e6d44c5952275dfe0810c9e0b26baee6a7ae7c31369d29c5e7c1
Manifesta64bd964d383330bd1270f72cce248a440a029af886f893a84943eabea4b72c9

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
Signatured3OG3P+3GsKhmJF4+5Vvn1P9+/HyLmAPeKj29FsR97VD4JA2YGxHDPrRxHH3eGxFixp28QPZ7rf5NIwATyBZCw==
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

2026-09-17T11:15:36.855405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042086
observed 9f4c4a2d0c07e6d44c5952275dfe0810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.837495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042086/manifest.json
observed a64bd964d383330bd1270f72cce248a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.815814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042086/publication.md
observed b32b337533dc42ef9afbc1913e6935a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.794146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042086/publication.txt
observed 9aaa3b8ad4b660189b1579ba8d9824d4...
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.