OpenTechnical

OT-2026-000048293

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048293) never changes.

Identity and time

Publication numberOT-2026-000048293 · never reused
Internal UUID01a0ae80-4de3-7495-b669-acc91a951a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048293
StatusPUBLIC

Content hashes

Canonical text1adbb159893a843df7a2ae197bab33a50a3ff6aec6b6d69f7a929adcdb38a72e
Markdown6757c84b3a002b598b616dbf8a14876ac390bbda60d952cfeed34e5ffeb918e5
PDF
Publication page282921de1a20c7fa12eb1af59350dd4dcadcc7e13f84ce55dfa73ae27debfb87
Manifest6b5929fdb91f7438231d4c78f3c93b03bdf8ef6dbf902eecd45421e0b408f8de

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
SignaturekNzkpwlen0lT/2UoVqPjU/qzXoQrWrBifBHbskkWtrZZHY4BrbA0vAp2IFV55j4hv+EFTmNghuJSQQb63DkoAg==
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

2026-09-17T11:04:52.795494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048293
observed 282921de1a20c7fa12eb1af59350dd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.773769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048293/manifest.json
observed 6b5929fdb91f7438231d4c78f3c93b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.754499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048293/publication.md
observed 6757c84b3a002b598b616dbf8a14876a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.736081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048293/publication.txt
observed 1adbb159893a843df7a2ae197bab33a5...
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.