Pith Number

pith:FK7CNH2Z

pith:2022:FK7CNH2ZDVIF5PHCAKM5LE6T24

not attested not anchored not stored refs pending

Density-constrained Chemotaxis and Hele-Shaw flow

Antoine Mellet, Inwon Kim, Yijing Wu

arxiv:2204.11917 v1 · 2022-04-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK7CNH2ZDVIF5PHCAKM5LE6T24}

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	2026-07-05T04:17:42.268721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2abe269f591d505ebce20299d593d3d728740a74e8bc0096ce9984b76ebbebe7

Aliases

arxiv: 2204.11917 · arxiv_version: 2204.11917v1 · doi: 10.48550/arxiv.2204.11917 · pith_short_12: FK7CNH2ZDVIF · pith_short_16: FK7CNH2ZDVIF5PHC · pith_short_8: FK7CNH2Z

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/FK7CNH2ZDVIF5PHCAKM5LE6T24 \
  | 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: 2abe269f591d505ebce20299d593d3d728740a74e8bc0096ce9984b76ebbebe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd59de98d0b84e64f946bfa2a893ef3cf68305b5d310a0a8c84091c9afc8844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-04-25T18:42:32Z",
    "title_canon_sha256": "ec490f2a4252fc1c586acf3f6fc2f12e9c18a9b7c372ec9c822fa9224244e6f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11917",
    "kind": "arxiv",
    "version": 1
  }
}