OpenTechnical

OT-2026-000047983

Publication integrity record

Three cup vacuum gripper, three 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-2026-000047983) never changes.

Identity and time

Publication numberOT-2026-000047983 · never reused
Internal UUID01a0ae7f-c422-7d90-9ccd-7e005e3fc551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047983
StatusPUBLIC

Content hashes

Canonical text0b6d66c2467721c2a160706546577906ccdad0dbfe1d285235993b5a4626eeb3
Markdown635d23d67f998a572d150a52871e71c6f2bc8e6b1ff3a490f67dc524eb6669d6
PDF
Publication pagec33f5e9b73f73042b85465b606bfad81f975c3cfe573c7f2d3e9725c9d134034
Manifestfa5713919c8529d57b4b8e1fbc548e488ecf6f9a852fb82cdb2d26ede885333d

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
SignaturelWdxDU80tDMse1lgzT8TP7xf6Imjw5V0lr28WraFeLY+vN2tARgN5GqnbmTplmD78dMoXzVqL2Us9ddq+nUDCQ==
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

2026-09-17T11:05:57.887900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047983
observed c33f5e9b73f73042b85465b606bfad81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.869090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047983/manifest.json
observed fa5713919c8529d57b4b8e1fbc548e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.850434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047983/publication.md
observed 635d23d67f998a572d150a52871e71c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.829474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047983/publication.txt
observed 0b6d66c2467721c2a160706546577906...
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.