OpenTechnical

OT-2026-000026663

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000026663) never changes.

Identity and time

Publication numberOT-2026-000026663 · never reused
Internal UUID01a0ae71-f4aa-7891-bfa3-afcf0a143315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026663
StatusPUBLIC

Content hashes

Canonical text749662d4e15c7724cc1fcb9e2ca982ae8eb1d201b493f60e305d613cbdb15564
Markdowna6c1c0e7c4f3afcc2fb699c2bda9a2d6fc5044f603d53d0174594e78a031aec3
PDF
Publication page143a484f9bd13dcf0995da684fa97dcdcdb54b2ce94e07fb7c3f3ce0f33e4bae
Manifest41eccc5e48f013026818a59a393c90c8ba6cf3af2e7689fe32f0c40875307cb2

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
Signature3vIc1+j94Og9kF5vL1EbK2iOLjImW40lTpi2wryWnC0Vbm+EXJPqPp7oujyIOBb5lffQeHrBtljqd+2TsgPEDQ==
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

2026-09-17T11:45:44.796593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026663
observed 143a484f9bd13dcf0995da684fa97dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.780940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026663/manifest.json
observed 41eccc5e48f013026818a59a393c90c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.755788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026663/publication.md
observed a6c1c0e7c4f3afcc2fb699c2bda9a2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.737659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026663/publication.txt
observed 749662d4e15c7724cc1fcb9e2ca982ae...
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.