OpenTechnical

OT-2026-000046947

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000046947) never changes.

Identity and time

Publication numberOT-2026-000046947 · never reused
Internal UUID01a0ae7e-d0f6-7262-867c-8d086109f76b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046947
StatusPUBLIC

Content hashes

Canonical text36a882ce00ac010bc4846d8957afcb8085439c75a8f9ca821d558189379b29c4
Markdowne7dd36cb3c004c05f70ea251b936dce88214527bd292e9b534ce9077520721b5
PDF
Publication page2c9c2072ac0363d6d286e97fc1922053df268abdad8d564cc1fae56e1edf6b6a
Manifestc68c6bc65b5e5547ed9ddfd24ca82bcfa1c895b17277244908a420b91193c393

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
Signature0eNp0V5T90xxYqU5jqGXc95gjDYvkS2pH5x5ZspDeJIC2iwxeoTEPm7J79nUZYdmEi6ggY+C8FsNYDlzgdeEDg==
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

2026-09-17T11:10:06.563251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947
observed 2c9c2072ac0363d6d286e97fc1922053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.541569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/manifest.json
observed c68c6bc65b5e5547ed9ddfd24ca82bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.515942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/publication.md
observed e7dd36cb3c004c05f70ea251b936dce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.496154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/publication.txt
observed 36a882ce00ac010bc4846d8957afcb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.703856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947
observed 2c9c2072ac0363d6d286e97fc1922053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.686486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/manifest.json
observed c68c6bc65b5e5547ed9ddfd24ca82bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.669329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/publication.md
observed e7dd36cb3c004c05f70ea251b936dce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.651103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046947/publication.txt
observed 36a882ce00ac010bc4846d8957afcb80...
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.