OpenTechnical

OT-2026-000043859

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000043859) never changes.

Identity and time

Publication numberOT-2026-000043859 · never reused
Internal UUID01a0ae7b-d677-783c-96d0-077a2de4aa76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043859
StatusPUBLIC

Content hashes

Canonical text5aef5995245e19d7a8927e251bfd807a3c3af52245d8712174092cd65b0ae46c
Markdown6216df745ef7190f8cf275f3d6018d416c5625aa14dec240a4d46a38815fb0f7
PDF
Publication page44da92ad1de05b5bb357fde0e2c992e083dba30b1b1ccf3193541f18f3d9ccca
Manifestc4a83b327fda4cbdcce6f1c39ea512980f665dcc60590d2e70356da3805da770

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
Signatures/12hVGA+2hho1IjoXp/Dp8cB7aXG2mJL1EyP1R+zfNIWFCj8udwvoBMuFau2srYurz8P0XXHSJhZByGgX6hAw==
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

2026-09-17T11:12:10.764026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043859
observed 44da92ad1de05b5bb357fde0e2c992e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.745381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043859/manifest.json
observed c4a83b327fda4cbdcce6f1c39ea51298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.726793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043859/publication.md
observed 6216df745ef7190f8cf275f3d6018d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.708312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043859/publication.txt
observed 5aef5995245e19d7a8927e251bfd807a...
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.