OpenTechnical

OT-2026-000027995

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027995) never changes.

Identity and time

Publication numberOT-2026-000027995 · never reused
Internal UUID01a0ae72-a51f-7151-8785-c1fdbd2ffd90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027995
StatusPUBLIC

Content hashes

Canonical textb147f1ea464b129d48fef746f652c3b01ca49d678273c8d133dccf5ab5b27429
Markdown59048507de9847366860ef7cbbe9015529b831d67bccd1465405288880875c96
PDF
Publication page9e258bf2d3e26a600b9b528591b4253951816ddc7e0bc0c0dbc58dc683a7c34c
Manifest23de6afb70593bc6eb6ff48e9a535b2e04ea92595d688a061a93d1c11f66c595

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
SignatureOvuax4jFs/PS7EWosi/x4d3uu+IQcSjbnxNBwmBdfYC+XnUF0gd7AhC4Hxpb1Qe4RTTG18lbm3XndmfyRjokDQ==
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

2026-09-17T11:42:12.176968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027995
observed 9e258bf2d3e26a600b9b528591b42539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.158682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027995/manifest.json
observed 23de6afb70593bc6eb6ff48e9a535b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.139034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027995/publication.md
observed 59048507de9847366860ef7cbbe90155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.120523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027995/publication.txt
observed b147f1ea464b129d48fef746f652c3b0...
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.