Pith Number

pith:CYH77QEL

pith:2019:CYH77QELKDDUNOJGIWTYNQ3VGZ

not attested not anchored not stored refs pending

Coalescence in two-dimensional foams: a purely statistical process

Benjamin Dollet, Dominique Langevin, Emilie Forel, Emmanuelle Rio

arxiv:1907.09730 v1 · 2019-07-23 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYH77QELKDDUNOJGIWTYNQ3VGZ}

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	2026-05-17T23:39:50.243236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

160fffc08b50c746b92645a786c37536565809fe8a91a23098a2a54bd37f7c2a

Aliases

arxiv: 1907.09730 · arxiv_version: 1907.09730v1 · doi: 10.48550/arxiv.1907.09730 · pith_short_12: CYH77QELKDDU · pith_short_16: CYH77QELKDDUNOJG · pith_short_8: CYH77QEL

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/CYH77QELKDDUNOJGIWTYNQ3VGZ \
  | 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: 160fffc08b50c746b92645a786c37536565809fe8a91a23098a2a54bd37f7c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db3e55155e19fd5d8f40ef5f6a712b6ce70b6d8969e7bf2d38131d67b3ec134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-07-23T07:39:54Z",
    "title_canon_sha256": "9d923bb7973ac0f9e9604b6a63a17817d09e8eba205c51b8d10fdcf706e7f2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09730",
    "kind": "arxiv",
    "version": 1
  }
}