OpenTechnical

OT-2026-000006160

Publication integrity record

Porous face vacuum gripper, four outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000006160) never changes.

Identity and time

Publication numberOT-2026-000006160 · never reused
Internal UUID01a0a951-6016-731d-92e9-589778c2f1b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:37.657003Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006160
StatusPUBLIC

Content hashes

Canonical text4f0673e5f00aa9ccc7ffe4376d738775eff60e1248a0594d08dbf9bbaefe5f4b
Markdowne13a45ace97bccd6c97813d0db1412673f09c7ab6d4ba19c1ccdf119056850eb
PDF
Publication page9b76dd7babe21f6b504497011c8c8c13a47c5303cd642254c14de883e91c3741
Manifest06661712f00ed6f82a1e42b8fc5fdcccf84c965e4b8c3abb6951e03b4300fa65

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
SignaturePxefdpIq5UnQ3FjdnopxBJkexHpFUc+FJA5Hm6aIbGDXbtMsSf+YF9TNC+vyFmpD3D5i1XF11iq05lv5g3dRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:20.746494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006160
observed 9b76dd7babe21f6b504497011c8c8c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.733440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006160/manifest.json
observed 06661712f00ed6f82a1e42b8fc5fdccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.719952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006160/publication.md
observed e13a45ace97bccd6c97813d0db141267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.707886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006160/publication.txt
observed 4f0673e5f00aa9ccc7ffe4376d738775...
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.