OpenTechnical

OT-2026-000043851

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

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-2026-000043851) never changes.

Identity and time

Publication numberOT-2026-000043851 · never reused
Internal UUID01a0ae7b-d677-7e24-91a6-4c7b40113242 · 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-2026-000043851
StatusPUBLIC

Content hashes

Canonical textfeab6d02e6ee79af6b478bd3d5983e2ed206ce003eb9ddf8dde3dbe2de60e9d8
Markdownf6803936a462a37e64c26d44702149153b1567315d4775fd1481d38e6291888e
PDF
Publication page15bca5059b0a9e16781aec131f367c27bdedadda6263768022c5e724b060f811
Manifestfc10ee3b4af7d3294f53585dafb8ecb1d57cc4349946f6915845f4b7b709d2c9

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
SignatureDZx5l35RVZ22HfIp+WmMv4PEh3CKPQpUTCHCbVfd+b9SfMchw9Saj3xFEl8y8nUjgJ1ZgXMjsTeykcoUEYlaAA==
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

2026-09-17T11:12:10.139147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043851
observed 15bca5059b0a9e16781aec131f367c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.121651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043851/manifest.json
observed fc10ee3b4af7d3294f53585dafb8ecb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.100894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043851/publication.md
observed f6803936a462a37e64c26d4470214915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.081148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043851/publication.txt
observed feab6d02e6ee79af6b478bd3d5983e2e...
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.