OpenTechnical

OT-2026-000027267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000027267) never changes.

Identity and time

Publication numberOT-2026-000027267 · never reused
Internal UUID01a0ae72-6996-77c9-a0e1-4e0606e95af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027267
StatusPUBLIC

Content hashes

Canonical textf2614ab7cca8109c16b46d76f6644a3cee3948b3c0392622a1c5d21c7444a28b
Markdown190d0eeac682408d20b405286c4b799714fecc2150602b367942ba6b02742177
PDF
Publication pagefbb919f9c1e88b49853dcf21f8ca9b1fb51a81e7ab0f4f18bfbf2bb592ce2327
Manifest10c97183d07291945c3c8a8e4268e7d57e658dd72c321c3c4ae5895f8f649147

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
Signature9H0h9x7xw/6QnfZyFY0eQI4DJkrs0UVAm55X1/liI4bnq96bFdG2AyF0mCOzOwchFNCG46EfJyPfFSCFqo18AA==
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

2026-09-17T11:42:38.970563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027267
observed fbb919f9c1e88b49853dcf21f8ca9b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.449402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027267/manifest.json
observed 10c97183d07291945c3c8a8e4268e7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.432431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027267/publication.md
observed 190d0eeac682408d20b405286c4b7997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.415215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027267/publication.txt
observed f2614ab7cca8109c16b46d76f6644a3c...
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.