OpenTechnical

OT-2026-000091797

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091797) never changes.

Identity and time

Publication numberOT-2026-000091797 · never reused
Internal UUID01a0ae9d-43ba-7705-b402-0c975625f168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091797
StatusPUBLIC

Content hashes

Canonical texta596601b6ff87e4d58c111d2c5fa2649b86a0423ed1c16b5740ddbf193b5fdbf
Markdown701ca0f6caebe558772b0ac17d36940a1d4a14fe523bc49e00b52ccc78eecf84
PDF
Publication pagea7b7d6dcd8b32b039f7be09c77e6dc435cdd3c9021edb2ed3609d163736c9a63
Manifestb5dc8db74e6939eb46d4b155acce9ac972e8e48663f776b97ed79024fbb9e298

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
SignatureETs23SMz+vnSoOFMvgaDGSJEkaP8dgzYLfLTxuexOWu72YtHkMjUW9tyOfeQ7njv/aapGPcjy4yzGwVL4CFIAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:41.859803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091797
observed a7b7d6dcd8b32b039f7be09c77e6dc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.835654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091797/manifest.json
observed b5dc8db74e6939eb46d4b155acce9ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.819591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091797/publication.md
observed 701ca0f6caebe558772b0ac17d36940a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.800130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091797/publication.txt
observed a596601b6ff87e4d58c111d2c5fa2649...
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.