OpenTechnical

OT-2026-000029863

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029863) never changes.

Identity and time

Publication numberOT-2026-000029863 · never reused
Internal UUID01a0ae73-ac47-7455-b732-8a6a17e89c33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029863
StatusPUBLIC

Content hashes

Canonical text09786fa92feb83eb177d194fad6ea74783d8bac1dc563187c3b7f765a1422eec
Markdown970383c7d0bd79d974bddcb8727cde659e34268920ba4c1fc44aceaff3d11194
PDF
Publication pagee7bd4c2738a25a8f672d2bfd1bd5043496d5fca10d06726d09642e61c59a7636
Manifest68d3bfaade4f00ff2c1bc51ed9b96a4d50fc28d6ce52b197d8e46fdbe6889629

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
Signaturef+TGtjzMH2fmEzFxOmS5zDVhW625g5OyoBEItfTzM4yixgLVGxFnCb+kv1Z3zYR/UYnfzxEjKWbIMBgeCy5NCw==
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

2026-09-17T11:38:33.420521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029863
observed e7bd4c2738a25a8f672d2bfd1bd50434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.401978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029863/manifest.json
observed 68d3bfaade4f00ff2c1bc51ed9b96a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.385812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029863/publication.md
observed 970383c7d0bd79d974bddcb8727cde65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.368797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029863/publication.txt
observed 09786fa92feb83eb177d194fad6ea747...
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.