OpenTechnical

OT-2026-000033743

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000033743) never changes.

Identity and time

Publication numberOT-2026-000033743 · never reused
Internal UUID01a0ae75-a390-709f-87f6-e0e1dde79e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033743
StatusPUBLIC

Content hashes

Canonical textecdc14d95e3a75fdafd29b197f471c339645a1c3301b0a0d6931cdd62d24c58b
Markdown466504044bbd198de60fc07ef556dbdef0983b7e6e583d973b1a39e33e9dae1e
PDF
Publication page8b61f33799efe3fabc002a856835a61e77f842e69622b77da8ec3ce45d809ea2
Manifest3748769d6cdf28bd892a567f66c1355e313fe08af67738439e0c8bd3301e5122

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
Signaturef7hliLyvQGgMUf4c+Mka2CoRfhSi1MrVuD+0iJErKzF0pfG4L+zjptHVeMoQEunNDgCKXn2kj/6ABQvdpL2fAA==
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

2026-09-17T11:31:45.162444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033743
observed 8b61f33799efe3fabc002a856835a61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.144271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033743/manifest.json
observed 3748769d6cdf28bd892a567f66c1355e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.125587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033743/publication.md
observed 466504044bbd198de60fc07ef556dbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.107099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033743/publication.txt
observed ecdc14d95e3a75fdafd29b197f471c33...
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.