OpenTechnical

OT-2026-000018892

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000018892) never changes.

Identity and time

Publication numberOT-2026-000018892 · never reused
Internal UUID01a0ae6e-d522-7976-bfe1-96d6a48e9e0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018892
StatusPUBLIC

Content hashes

Canonical text289d3655e553bd29907898e66ae1d249b88f31c2b3e08937eefcc353801905f6
Markdown97f6d352abe1be52012f84c22885d244dfff864904816ff77840b6c822e9b46c
PDF
Publication page359bb84167703069bb493b2485029fbb37121a3acb8b050c5d9ce2b557058ac8
Manifest235ba4e40628cbfa0829135c5af97850079452311d7c11074bcec2d1607313a0

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
SignaturekQQ3UydYt/d6gsGOW+LlTAf/BpQiVrFH6PlfbZM489ktLrk/Z1t8C3lKI5BFO6hfLjtclqQjPGR1H95N3TKHBA==
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

2026-09-17T11:59:32.772414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018892
observed 359bb84167703069bb493b2485029fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.752504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018892/manifest.json
observed 235ba4e40628cbfa0829135c5af97850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.733565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018892/publication.md
observed 97f6d352abe1be52012f84c22885d244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.715602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018892/publication.txt
observed 289d3655e553bd29907898e66ae1d249...
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.