OpenTechnical

OT-2026-000010464

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, vented 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-2026-000010464) never changes.

Identity and time

Publication numberOT-2026-000010464 · never reused
Internal UUID01a0ae6c-0ee6-7f4e-83af-b79a4d86a236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010464
StatusPUBLIC

Content hashes

Canonical text92db69bdccad5799c2d9762ebad0a815e710504a37ea84a97da04081cc52ba95
Markdownc08d554f93978b8663dc8a6965485d877769fde07066313b94a3ed9672b10744
PDF
Publication page6fdc571e7573258bd7c9103c4ee8be5f8371c1e624cbf132dd44caeddef08048
Manifest1cb7bd77f48f72ba631f18e40d050e2c918676988d380a05955c8051c4f2cd06

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
Signature+9gar63thhHPZrH5ObK24FVzIrDj6g2+8jHntoRJN8YYzJ3BNxv6j5yWGl1Vx4XdULSx4+TO7HnkgrdMngYBAA==
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

2026-09-17T08:41:43.520400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010464
observed 6fdc571e7573258bd7c9103c4ee8be5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:43.238186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010464/manifest.json
observed 1cb7bd77f48f72ba631f18e40d050e2c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:42.719900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010464/publication.md
observed c08d554f93978b8663dc8a6965485d87...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:42.004684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010464/publication.txt
observed 92db69bdccad5799c2d9762ebad0a815...
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.