OpenTechnical

OT-2026-000048372

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000048372) never changes.

Identity and time

Publication numberOT-2026-000048372 · never reused
Internal UUID01a0ae80-4de4-7b23-997c-41ae1e139c72 · 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-2026-000048372
StatusPUBLIC

Content hashes

Canonical text0415e12d4ffec86d00fc25f9f0f025b9a20777ce98945684663e5472d25d8ab8
Markdownec3cdcdb7d8620d9b4423569616eec952e79c90d2c16b65b7fed1ac8c643f47a
PDF
Publication page31ec929fa12a77ddaf0204918116b28b765a99ef6b3713c983b6be17b93b7edb
Manifest3dca453fd4419a50578e2d881d5527921e14473028a470b3d3f1bee3fa59e2a9

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
SignatureobuKzVO2LvGVflRqKOA+ptywf22N8mrx3cz85iZ8tW2tZW0I8c3pSvlueP2m7yS0vuyNFPN6PERjs2NHvp9SAA==
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

2026-09-17T11:04:59.829929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048372
observed 31ec929fa12a77ddaf0204918116b28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.808828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048372/manifest.json
observed 3dca453fd4419a50578e2d881d552792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.791486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048372/publication.md
observed ec3cdcdb7d8620d9b4423569616eec95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.770480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048372/publication.txt
observed 0415e12d4ffec86d00fc25f9f0f025b9...
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.