OpenTechnical

OT-2026-000043574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000043574) never changes.

Identity and time

Publication numberOT-2026-000043574 · never reused
Internal UUID01a0ae7b-92cf-7822-9081-3298e524770e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043574
StatusPUBLIC

Content hashes

Canonical text6e0d16b7c15064a53ad2f0b39a2d5a581670402331572bfa04a8262d82bf9e73
Markdowncb60d5abcfca14ef52945a5e43e92cf50eea182b558a64d0628793aedb1b7f3b
PDF
Publication page3d9128314c740b1558efb40bb0e69e69bf06ee233ecc5dfbd968002d7465aeef
Manifest5c48d35c1947feacfa8d1d943af0c7fc37fa006085bdb08f0217ee8afe536659

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
Signaturewf3AS0TDooMmSWhqvjfmaVP7D3++uSkql/CyRWAmU4giyCXAm/ReH7JC3MJ7sdKHKHNX0DCEAflhmz7T2zfhAw==
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

2026-09-17T11:12:58.261093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043574
observed 3d9128314c740b1558efb40bb0e69e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.240006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043574/manifest.json
observed 5c48d35c1947feacfa8d1d943af0c7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.221252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043574/publication.md
observed cb60d5abcfca14ef52945a5e43e92cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.200191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043574/publication.txt
observed 6e0d16b7c15064a53ad2f0b39a2d5a58...
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.