OpenTechnical

OT-2026-000037741

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000037741) never changes.

Identity and time

Publication numberOT-2026-000037741 · never reused
Internal UUID01a0ae77-b8d0-7c5f-b149-6698d7abffc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037741
StatusPUBLIC

Content hashes

Canonical textf458eb57931b31cfd3cfa2e62c27cbdb41a9bed6d1447e303678be95402d991f
Markdown05c95c9c5d20adf5be9034ec5b4a2150a90c0b3bbcf58db57470ef30a2bb8b83
PDF
Publication page29fd448c7d8cdf106a22382705c730db55293d2010316f935d6956dd7703b469
Manifestb8f1978653c94077e4c7ebaff57c6e678eed64c4d3446067e19db9fcb3324044

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
SignaturehNbY/hnwVVN4Tai9LYGchlbxSqGUPMH0xkVIQkR1yE0dHaeaFUwhm4fVZNdwd5WXp/ohaXHcc5wsOWiG4ai8AA==
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

2026-09-17T11:24:20.328002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037741
observed 29fd448c7d8cdf106a22382705c730db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.309607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037741/manifest.json
observed b8f1978653c94077e4c7ebaff57c6e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.292316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037741/publication.md
observed 05c95c9c5d20adf5be9034ec5b4a2150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.274173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037741/publication.txt
observed f458eb57931b31cfd3cfa2e62c27cbdb...
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.