OpenTechnical

OT-2026-000011399

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000011399) never changes.

Identity and time

Publication numberOT-2026-000011399 · never reused
Internal UUID01a0ae6c-88fe-7368-aede-996d093160bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011399
StatusPUBLIC

Content hashes

Canonical text2100cc0f8fff60e3214d437cf0c0f9bd678597b84f18538c215bd66af9afe6c3
Markdowncc335efedea332bb30f424785b9688bf414d851c27f120b05cc339097b94bc1f
PDF
Publication page9172f9535ca338ab63bc9f9578d57bedba4e910ca9da7ce00fe06acb4372d6e6
Manifest1d7c23897f19913ba9026682d2bb36bfcb3b92f185b6ed3e1dc2076c71923bfb

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
SignatureFpq9buaunMWmxsE3vWMeDf1vbQoeglf+7vaIhCKS8aaruFkYcDxGzSpA4Khxn/uK8e6Bjr0jvoTZ54GFBeUwCw==
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

2026-09-17T12:13:08.847181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011399
observed 9172f9535ca338ab63bc9f9578d57bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.827198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011399/manifest.json
observed 1d7c23897f19913ba9026682d2bb36bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.806334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011399/publication.md
observed cc335efedea332bb30f424785b9688bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.786231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011399/publication.txt
observed 2100cc0f8fff60e3214d437cf0c0f9bd...
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.