OpenTechnical

OT-2026-000011845

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000011845) never changes.

Identity and time

Publication numberOT-2026-000011845 · never reused
Internal UUID01a0ae6d-1941-71da-b7ad-d300d4d6cfa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011845
StatusPUBLIC

Content hashes

Canonical text489029465a18e75272001ada2547f8c8ea25fadb7c96f8086dff43235d6691a0
Markdown1023f55f5c963d412a0f9337ba4a6a5a91dbbaa8ed16405171cedee0ee939a62
PDF
Publication page4d7a241c2fc3395b9a7aa0d06b4d8149222db88244ff13b83511d91bbf8f46ae
Manifest20fb725de8052920635b2a749ee5a09d32be9e1e9477b47afb8e6539373c3bd3

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
SignatureEisdtpkQ2UesIeuS5lS8hatmlbQlm8C6hqqYp+4035Y54HchxcbcvAxjNka/w34o4OD7hQMiHdI25NuaVByZBQ==
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

2026-09-17T12:12:35.108442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011845
observed 4d7a241c2fc3395b9a7aa0d06b4d8149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.088440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011845/manifest.json
observed 20fb725de8052920635b2a749ee5a09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.069425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011845/publication.md
observed 1023f55f5c963d412a0f9337ba4a6a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.050818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011845/publication.txt
observed 489029465a18e75272001ada2547f8c8...
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.