OpenTechnical

OT-2026-000048236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048236) never changes.

Identity and time

Publication numberOT-2026-000048236 · never reused
Internal UUID01a0ae80-4de3-75e6-9a5f-e391d99dedfc · 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-2026-000048236
StatusPUBLIC

Content hashes

Canonical text7674a4b399fbf43c622866e00bf89c816c91a18a6bccad1647082ae8eff35dc2
Markdowna02d5503c7a3bccdde1b5e3ba2967063d1fa458562f8b40508d7b967b957da0d
PDF
Publication pagee800ebe7a16d40527de0c2c0d987eb3b18c3ca72fd869506d222193a99ef19ef
Manifest91f276c4e66a3692bd9e9853977edb3eb228e59e556b6605f6a494289e054ea0

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
SignaturemNzW23y1bGdBUubTZ3LsbWRiw78ln+Cj2MZCoDr2PE0ZxFNE8RAEwqEZslFSXYhvHfdknbWWT/dCrPQvgGf6AQ==
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

2026-09-17T11:04:47.750413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048236
observed e800ebe7a16d40527de0c2c0d987eb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.730621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048236/manifest.json
observed 91f276c4e66a3692bd9e9853977edb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.710462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048236/publication.md
observed a02d5503c7a3bccdde1b5e3ba2967063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.689928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048236/publication.txt
observed 7674a4b399fbf43c622866e00bf89c81...
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.