OpenTechnical

OT-2026-000048463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000048463) never changes.

Identity and time

Publication numberOT-2026-000048463 · never reused
Internal UUID01a0ae80-4de5-73f8-931f-3390872cfe68 · 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-2026-000048463
StatusPUBLIC

Content hashes

Canonical text7aae29ba49e1705ad2d9d78a58c464046c9a5bd51a783a44c886e8a4d1effa20
Markdown7b9e108e4a4622d3ea6409d1fbcfd2631365d402748e6c32a51ba9a3e9d645f3
PDF
Publication page299e99da38de8a2fdcbd3ba2fba023e8a962a04161a1273289bec65a42bd29bc
Manifeste1d2f5ea2888f9b338457b9af26daeac5b88e6cce4e5b9d20952410899ca51f3

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
SignatureTF1DxMk26P1uu4zi0bQGSFmRRCLILRuncsAsgv5fViuP/x+xODjHy/zqDs2Ckgf1JgkqtWr0mti7dIAU1+u1Dg==
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

2026-09-17T11:05:07.430449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048463
observed 299e99da38de8a2fdcbd3ba2fba023e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.409692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048463/manifest.json
observed e1d2f5ea2888f9b338457b9af26daeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.391163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048463/publication.md
observed 7b9e108e4a4622d3ea6409d1fbcfd263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.371519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048463/publication.txt
observed 7aae29ba49e1705ad2d9d78a58c46404...
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.