OpenTechnical

OT-2026-000043558

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-2026-000043558) never changes.

Identity and time

Publication numberOT-2026-000043558 · never reused
Internal UUID01a0ae7b-92cf-7fb8-8aeb-3c46f38ecc05 · 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-2026-000043558
StatusPUBLIC

Content hashes

Canonical text85aec6dd172caffd6708b362642bc18cf0f26479b8fb013711d0c36decbd23e2
Markdowne7374d989aeca057790f0ec548e86d90122dd1796c8cbd5c19bf9c407d671021
PDF
Publication page5baea09326e9416a23be00a2707e1e015c1937e7d31151a506f2f1ef904933c1
Manifest24a8e3a7753b16aedd9f15a20a7b26202e84c1964ef5efe874a54ca3f1b9d4ab

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
SignatureMvs9V5e9/0a+I67sWql65zbGuf0ta7r9mgKbL/uGiPelE2fi407jTiAUwL+DUwg9wvUFVM82Ij7dubv8hMfmAA==
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

2026-09-17T08:41:49.969640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043558
observed 5baea09326e9416a23be00a2707e1e01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:49.514592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043558/manifest.json
observed 24a8e3a7753b16aedd9f15a20a7b2620...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:49.222343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043558/publication.md
observed e7374d989aeca057790f0ec548e86d90...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:48.721782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043558/publication.txt
observed 85aec6dd172caffd6708b362642bc18c...
fetched by grabo-systems from 34.44.131.203, 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.