OpenTechnical

OT-2026-000046187

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000046187) never changes.

Identity and time

Publication numberOT-2026-000046187 · never reused
Internal UUID01a0ae7e-032c-7033-8738-02f252be1711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046187
StatusPUBLIC

Content hashes

Canonical text22997eff01e870478292c1125ae7c10b4d19248ef7118f9fcf617953fb0bc392
Markdown016067177541d5f4a63fd6c03839cf58d9449ede9ed942fc357ef8fef3a6499d
PDF
Publication page114617a290e12af3b88676d138f7a166199209b1c646ed753e93c10db49b8bc3
Manifest1da61faf5a09e3ced8d9934e61d59df9283f73ed15ba0bcf4bf4501fb938836e

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
SignatureFZgh/2qI79Jq6qqQZq6rjcRT30H8J2BQr6blJP+MRP+qAvaWdQbo8Sq591gTEfbyIkERKI/C8OnAsybjoPC7DQ==
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

2026-09-17T11:09:11.853299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046187
observed 114617a290e12af3b88676d138f7a166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.834858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046187/manifest.json
observed 1da61faf5a09e3ced8d9934e61d59df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.818324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046187/publication.md
observed 016067177541d5f4a63fd6c03839cf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.800472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046187/publication.txt
observed 22997eff01e870478292c1125ae7c10b...
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.