OpenTechnical

OT-2026-000019917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000019917) never changes.

Identity and time

Publication numberOT-2026-000019917 · never reused
Internal UUID01a0ae6f-1fb7-7576-9d5e-79cc808f3e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019917
StatusPUBLIC

Content hashes

Canonical text81be16f990814ad74d4fd65a6131e3ca97dee7a89412d391b4f8fb705d3a33f3
Markdown0a02e4458972a86cbd83bdbd16066f57865165d8e022d43ce922cb2b33de6bd2
PDF
Publication page24fa980cbfa5f721a12f3082f639aa3f14eb61302a6268ac9e3c476cba358905
Manifest71984b7f85ca3344cc1473b617e92e2581bba3285db4ae21d92175b24181fb73

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
SignatureztGpgMhoN+7YBuIo+TZYMm+TzlDVA+TWdhabHADoDuo87UGogrP3/o5MACvzzQbL6FpV5RiE9cdCJT9r9ePvDA==
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

2026-09-17T11:58:08.052345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019917
observed 24fa980cbfa5f721a12f3082f639aa3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.032445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019917/manifest.json
observed 71984b7f85ca3344cc1473b617e92e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.013574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019917/publication.md
observed 0a02e4458972a86cbd83bdbd16066f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.994574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019917/publication.txt
observed 81be16f990814ad74d4fd65a6131e3ca...
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.