OpenTechnical

OT-2026-000018955

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000018955) never changes.

Identity and time

Publication numberOT-2026-000018955 · never reused
Internal UUID01a0ae6e-d522-71c3-908e-cd6cf93285f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018955
StatusPUBLIC

Content hashes

Canonical text1018f2b4ff38749634911017ccd75e458a7379c16fd1ed143a967932fb7a766c
Markdown7c7533e44efc9daeb50c32d37994d0f4b5acf171080f89dbb7270b5b91763eea
PDF
Publication pageb47657971adfca96c87462724b52eea17cdc8e810fb1d265131b128452db0781
Manifestfeccbce3cc1b6afbe1fd6cec8aa403cb6982a6e16ad53b81a3e5dcd146f1db46

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
Signature7nOFRs1HZW716qwGZiFnIz3hupuwvk5K76lhuU/0VyT4oha+tjkSfhhaTk4cPlnHLZWJLRDIQLhB7XG+B3KtAg==
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

2026-09-17T11:59:37.602232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018955
observed b47657971adfca96c87462724b52eea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.582349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018955/manifest.json
observed feccbce3cc1b6afbe1fd6cec8aa403cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.564219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018955/publication.md
observed 7c7533e44efc9daeb50c32d37994d0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.544430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018955/publication.txt
observed 1018f2b4ff38749634911017ccd75e45...
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.