OpenTechnical

OT-2026-000015017

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000015017) never changes.

Identity and time

Publication numberOT-2026-000015017 · never reused
Internal UUID01a0ae6d-d096-7259-8087-91ce035f29f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015017
StatusPUBLIC

Content hashes

Canonical text7ed2553f335b35b421228141039402ecddab7fc22887e1bed6be5c62fc564712
Markdownbfec941dd4d03a3c2ea9aa848fe533c6a62c206be4eb673478eb41c28fd5e752
PDF
Publication pagee850c7a566e6e403b4075e951546bad5f00cc4e68e5d1c61aca0ce9f135ab014
Manifeste8dd9f204f80091beaec7be6f4532dd843f2bd3764ac058c39a70a2eed3e28ce

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
SignaturejQ40Kv60tjTTY58cLYuZhtzAvgNspPzKKpUnin2c4cbmiuq83lrpFseALnR4t7SI4lphIKdDr3eBTHZu9vG2CQ==
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

2026-09-17T12:06:59.384747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015017
observed e850c7a566e6e403b4075e951546bad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.367333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015017/manifest.json
observed e8dd9f204f80091beaec7be6f4532dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.349172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015017/publication.md
observed bfec941dd4d03a3c2ea9aa848fe533c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.330833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015017/publication.txt
observed 7ed2553f335b35b421228141039402ec...
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.