Pith Number

pith:4DDYJSBB

pith:2016:4DDYJSBBZ4RVSGYM65T53T5M6R

not attested not anchored not stored refs pending

Dense Motion Estimation for Smoke

Da Chen, Peter Hall, Wenbin Li

arxiv:1609.02001 v2 · 2016-09-07 · 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{4DDYJSBBZ4RVSGYM65T53T5M6R}

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	2026-05-18T01:04:55.359995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0c784c821cf23591b0cf767ddcfacf45f2f86d0b22beecf7ba3d36d90cde427

Aliases

arxiv: 1609.02001 · arxiv_version: 1609.02001v2 · doi: 10.48550/arxiv.1609.02001 · pith_short_12: 4DDYJSBBZ4RV · pith_short_16: 4DDYJSBBZ4RVSGYM · pith_short_8: 4DDYJSBB

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/4DDYJSBBZ4RVSGYM65T53T5M6R \
  | 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: e0c784c821cf23591b0cf767ddcfacf45f2f86d0b22beecf7ba3d36d90cde427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fc47e8d7ef6b0d43381083c1bac78e964a03108ca0566d18125422411fc8141",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-09-07T14:40:08Z",
    "title_canon_sha256": "6c16a82cbe09d3f3c1ceeab1978d82ab6376d91a3a0cb1b930cfa991de04f0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02001",
    "kind": "arxiv",
    "version": 2
  }
}