OpenTechnical

OT-2026-000045199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000045199) never changes.

Identity and time

Publication numberOT-2026-000045199 · never reused
Internal UUID01a0ae7c-f769-763d-a5c3-65d19698df36 · 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-2026-000045199
StatusPUBLIC

Content hashes

Canonical text6551319a121f841297a59cdeea793817d9e0138c99cae1403e32f4ca03bf7748
Markdown51ed8f051baee82ff76ea6800fedb1e11eb7226f21a2884d1a153ea068cd60cf
PDF
Publication page1187cfdb327f3ee965f5a799ed9b0d3cfdd5029b7b9471eefeef223bcbe3cba3
Manifest5eeac6ea8a722c814c903fa0805e30f6b7b88a5703605ff26ee7c0d56c72386c

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
SignatureNH19LzgpUxZTOqmGBJoqkim5d+WJgzEuYw0Fzg89C8g7/1K2HjCH1HLkBXvSG77ypyvX1n4Pd3Wyrso7+gOtDw==
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

2026-09-17T11:10:22.758465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045199
observed 1187cfdb327f3ee965f5a799ed9b0d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.734540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045199/manifest.json
observed 5eeac6ea8a722c814c903fa0805e30f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.700805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045199/publication.md
observed 51ed8f051baee82ff76ea6800fedb1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.678100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045199/publication.txt
observed 6551319a121f841297a59cdeea793817...
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.