OpenTechnical

OT-2026-000052319

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000052319) never changes.

Identity and time

Publication numberOT-2026-000052319 · never reused
Internal UUID01a0ae83-e791-7734-bd37-a5d1ce4cd90d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052319
StatusPUBLIC

Content hashes

Canonical texta24b160d9e93a517826d67f55e032b3f6773c4b6c31eb232834a56e8ef43f42e
Markdown3c2c4a8faba44ff3ec5c1bd18cd07ea0344fa8b8aac4cb80e29afec1242d7a53
PDF
Publication page43339af6630ee00bbee6630000bf52907fc9f1655b270436e651652901fa9764
Manifest65ba98ea2dca9a3605d8e861f2a888b56162540b5c3dec6eef671e85077743c8

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
SignatureM6q5nqRvxxxU7N1mmBHoZdD2EZ1XaU2xUNG/dXZ8Bdflqd8uI2sORC8QlqhcA0SASrNIM1ThRa24cMwKxxZ6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:00.358960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052319
observed 43339af6630ee00bbee6630000bf5290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.340906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052319/manifest.json
observed 65ba98ea2dca9a3605d8e861f2a888b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.322491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052319/publication.md
observed 3c2c4a8faba44ff3ec5c1bd18cd07ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.301955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052319/publication.txt
observed a24b160d9e93a517826d67f55e032b3f...
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.