OpenTechnical

OT-2026-000044951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000044951) never changes.

Identity and time

Publication numberOT-2026-000044951 · never reused
Internal UUID01a0ae7c-911c-790d-b312-5bbf19104423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044951
StatusPUBLIC

Content hashes

Canonical textc6bdbb124a6fbab71c5df5850c2e1eacd7d1c922ac22119f046ab455af536576
Markdownadb4ddf41a341d4f85f3f35661a975d069018ca0dde5a9248a72c5bf50c7d9b5
PDF
Publication page9219dfd111d784a8ad34004a281586124c72267be6d30240af4ef219c60238f2
Manifest96565756e7cfde8abc205ebe5800a60953bf23c2b12617172bc5e6af6c885b60

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
SignatureLfxwSDakt60D5M2Q4Oq8yYEZR9MbFFh7mazhNOG64w1FVPybuECsh/5as3+oKSTLSCJhMFp6pre2DmaBN6FOCg==
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

2026-09-17T11:11:37.978471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044951
observed 9219dfd111d784a8ad34004a28158612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.959852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044951/manifest.json
observed 96565756e7cfde8abc205ebe5800a609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.939446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044951/publication.md
observed adb4ddf41a341d4f85f3f35661a975d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.922938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044951/publication.txt
observed c6bdbb124a6fbab71c5df5850c2e1eac...
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.