OpenTechnical

OT-2026-000045031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000045031) never changes.

Identity and time

Publication numberOT-2026-000045031 · never reused
Internal UUID01a0ae7c-f767-7f40-bbd9-7abb5d017510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045031
StatusPUBLIC

Content hashes

Canonical text4cf0dcb4a9fd2217d83b3928f566444704fa6a1ad96fa82e9d8b946b2d3535ad
Markdown9e82643caeaadeed5fbbc0f52ca3a8b1ab0446caac7b869f25b0965d843c93ad
PDF
Publication pagebe9768f78e9d6bc00b0e33d5f6c45d9918fa56bdf323f2484b86675e3c30b784
Manifest1da1785773b1cbc72302c8294fd17e7c1a3a01ee94c39f99e5f01bb85d1cb5bc

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
SignatureqLD5g+Lx46yqGJZ/N8oYI5KMbvGZMSSikZuUrZKXVpgz+BetMVLnEpKiY2la6fqu3wo5COQ8yE5FfC2WuqtvBw==
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

2026-09-17T11:10:02.760336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045031
observed be9768f78e9d6bc00b0e33d5f6c45d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.740789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045031/manifest.json
observed 1da1785773b1cbc72302c8294fd17e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.722406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045031/publication.md
observed 9e82643caeaadeed5fbbc0f52ca3a8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.703080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045031/publication.txt
observed 4cf0dcb4a9fd2217d83b3928f5664447...
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.