OpenTechnical

OT-2026-000012189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012189) never changes.

Identity and time

Publication numberOT-2026-000012189 · never reused
Internal UUID01a0ae6d-39f5-77c0-b934-f07e3087bd2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012189
StatusPUBLIC

Content hashes

Canonical text095573234ace8d8f6455c5697579064fc7d679096d52651f06452525d2f02b89
Markdownf71296c99584f567ecc2a5ff0cd64486917ab27be6ed28cd0e264b1e58db8fd3
PDF
Publication page60e0e41d25021f4ab586484ac92e8cd84641d064c0f396cb1652fc936d87d7d9
Manifest399d65262421a8c2f898d44b319caf3a1e9c8f8076dfc3d7b03db11e272ce25c

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
SignatureSOFoSDC/K5zVQObiFS50YZiDmtjXpih/z+owp48r+rZ0u1EUI48DQw9OYf+wT5d+pKxM9A4drWte/c63npDpBA==
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

2026-09-17T12:11:05.740308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012189
observed 60e0e41d25021f4ab586484ac92e8cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.716645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012189/manifest.json
observed 399d65262421a8c2f898d44b319caf3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.696318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012189/publication.md
observed f71296c99584f567ecc2a5ff0cd64486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.673436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012189/publication.txt
observed 095573234ace8d8f6455c5697579064f...
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.