OpenTechnical

OT-2026-000025747

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000025747) never changes.

Identity and time

Publication numberOT-2026-000025747 · never reused
Internal UUID01a0ae71-9bca-754a-871c-49aef2a5ce47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025747
StatusPUBLIC

Content hashes

Canonical text478c51893de1035c55664c2cd1fad8ff2d4718f165c5f54a53192fb0ac1c29da
Markdown8041e80889b6f143493321d260f78a9224d6b7d0fc895105b74961af16632269
PDF
Publication page23df6faba0ef2ca1dc0862b9464cbb7a9621d1a84fa44f1d725e07e33ad1e211
Manifest57c2a244bc29a161de7d9ff33834cd9102db0aec7014f8e4d521024bb422ed14

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
SignatureU7e2XM4Eyd1SdIU9UJjeIDdEtl858SYBUuP4fao2WxHrXclGTPLwaxKVz+34t9TJb9/8RWO+0jTiB3ekQP+/AQ==
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

2026-09-17T11:46:47.856176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025747
observed 23df6faba0ef2ca1dc0862b9464cbb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.841527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025747/manifest.json
observed 57c2a244bc29a161de7d9ff33834cd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.825651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025747/publication.md
observed 8041e80889b6f143493321d260f78a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.808230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025747/publication.txt
observed 478c51893de1035c55664c2cd1fad8ff...
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.