Pith Number

pith:DDXQB4DF

pith:2019:DDXQB4DF3ALGXCR6JSAMYSNN2E

not attested not anchored not stored refs pending

W-Net: Reinforced U-Net for Density Map Estimation

Kinal Mehta, Varun Kannadi Valloli

arxiv:1903.11249 v2 · 2019-03-27 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDXQB4DF3ALGXCR6JSAMYSNN2E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:49:54.751660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ef00f065d8166b8a3e4c80cc49add1159f5153084732e936fa0b8bc6850967

Aliases

arxiv: 1903.11249 · arxiv_version: 1903.11249v2 · doi: 10.48550/arxiv.1903.11249 · pith_short_12: DDXQB4DF3ALG · pith_short_16: DDXQB4DF3ALGXCR6 · pith_short_8: DDXQB4DF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DDXQB4DF3ALGXCR6JSAMYSNN2E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 18ef00f065d8166b8a3e4c80cc49add1159f5153084732e936fa0b8bc6850967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86d6b721ca319e9f35b2ef1da7f81eab9d713b4af407d53dcdaeb6d0738418d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-27T04:46:23Z",
    "title_canon_sha256": "26cdf28c746e76a666ce39c18a0f7b233bf9eb5459f697db2b421c66f351fe82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11249",
    "kind": "arxiv",
    "version": 2
  }
}