OpenTechnical

OT-2026-000043492

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043492) never changes.

Identity and time

Publication numberOT-2026-000043492 · never reused
Internal UUID01a0ae7b-92ce-798e-a47b-c00bec6783d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043492
StatusPUBLIC

Content hashes

Canonical textb8234b90b52fdc20c321038fc1404f47fb02102296bdf3103ae897254ea2645e
Markdown1c9b29ea2f7059d0d38a86590900f2dcefdd6544c57cb2d58256f8a59c4d2f4a
PDF
Publication pageae0424241460c97ccd2f41f68ffe25fd3235da4afe0e60f1126e8fc7af0e5295
Manifest3aac4e5a0a6f123bbcf3951aeec75fca21c327af273a84e40d58c1e981cb5ee3

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
SignaturePoy1w3ypVCzowkJm+4P32Pu6LeC5z2Wm5n4XqIkzVh1Sm/20J+gB/xznm6a0NvCZaSBuHFBUa89TYSV6bTfoBA==
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

2026-09-17T11:12:51.362111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043492
observed ae0424241460c97ccd2f41f68ffe25fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.340688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043492/manifest.json
observed 3aac4e5a0a6f123bbcf3951aeec75fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.322135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043492/publication.md
observed 1c9b29ea2f7059d0d38a86590900f2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.304061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043492/publication.txt
observed b8234b90b52fdc20c321038fc1404f47...
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.