OpenTechnical

OT-2026-000017757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000017757) never changes.

Identity and time

Publication numberOT-2026-000017757 · never reused
Internal UUID01a0ae6e-96fa-7491-94b8-d358991df2f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017757
StatusPUBLIC

Content hashes

Canonical text4f54309a08282cd7a257f2505f88e6da9b489d339bbdbf2ba31e69b9ee9e91b7
Markdown1619255044babbe2041a416f1802b42008e7c1bd6f597af34bf91c15e83fc542
PDF
Publication page5bd5deb4590a3e881e474d03d122ac5dad534ef5f70e7a1a1592d923fa4749a1
Manifest0cdeb7fe2a484aff0145a168a3d8b7f31bc67d03a873f5c15ba5ec53d82fea06

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
SignatureD+Ym6SXUTT4+yJ/beS1OaU1+vwrI1wMV5AYUIeL3MV6RKY8v5I2EmIUtNO0FJnpZb9Np+mdZ7ZxZerx0XEmnCg==
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

2026-09-17T12:01:42.771475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017757
observed 5bd5deb4590a3e881e474d03d122ac5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.755406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017757/manifest.json
observed 0cdeb7fe2a484aff0145a168a3d8b7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.739239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017757/publication.md
observed 1619255044babbe2041a416f1802b420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.723182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017757/publication.txt
observed 4f54309a08282cd7a257f2505f88e6da...
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.