OpenTechnical

OT-2026-000018951

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000018951) never changes.

Identity and time

Publication numberOT-2026-000018951 · never reused
Internal UUID01a0ae6e-d522-7fc7-9f33-7ff6808fc3c9 · 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-2026-000018951
StatusPUBLIC

Content hashes

Canonical textba89fffc674dd62cc0932f7432638c38387429f94e7eeddc01169cda1c1f94c9
Markdownf567bc419b971a45af6da52ef28ff11d0f5fe85809973a9184cae678bc886d70
PDF
Publication pageb918b46a234b63e3eb01c0de077a9636941d5373e2e644cec5579b6ea57342f5
Manifested43e23afe0ec848373401fa0db5d1a18ad9bcb5389d337ac9cf2498e605ee42

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
SignaturexnHxh0724ViDXbjMM7oLu5PMXw/C+q3WYwB8ah6BlmEb1Hza9SXkCebQ2iNLRiu0E0XYgnGrZtsSIFFQ8z+zCg==
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

2026-09-17T11:59:37.294465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018951
observed b918b46a234b63e3eb01c0de077a9636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.277909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018951/manifest.json
observed ed43e23afe0ec848373401fa0db5d1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.260649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018951/publication.md
observed f567bc419b971a45af6da52ef28ff11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.243869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018951/publication.txt
observed ba89fffc674dd62cc0932f7432638c38...
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.