OpenTechnical

OT-2026-000022556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000022556) never changes.

Identity and time

Publication numberOT-2026-000022556 · never reused
Internal UUID01a0ae6f-f4ff-76ed-adca-f353a5f07fae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022556
StatusPUBLIC

Content hashes

Canonical text6928b42de0b2a1f904d441d2a13e13969582cbdbae611697275e5775112adba9
Markdown7887349163bbb0609e7325c4a4f5f1b52dce2eaa4bfe1b385f34c9a5d70cd228
PDF
Publication page39494b5458d46d4a7cf73d8799beee525da0a5d742a20c6815888ad7f92f831e
Manifest584d93f6bfb87c75af33c5e220a0c33032bed284a0d181fca139bbb8d61cbf29

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
SignatureQLsu9szFReABCsTMISuFHLAJb+FHeK0UQpwQYltLtbrgT1oZHLF3PiJbmZ9RShvgbQTAFaFdPxcSluZ7vsn8BQ==
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

2026-09-17T11:53:59.568501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022556
observed 39494b5458d46d4a7cf73d8799beee52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.549359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022556/manifest.json
observed 584d93f6bfb87c75af33c5e220a0c330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.526142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022556/publication.md
observed 7887349163bbb0609e7325c4a4f5f1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.506894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022556/publication.txt
observed 6928b42de0b2a1f904d441d2a13e1396...
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.