Pith Number

pith:NJWZO5LS

pith:2011:NJWZO5LSYMW7JI36USNRFGELSM

not attested not anchored not stored refs pending

How flowers catch raindrops

David Hu, Guillermo Amador, Yasukuni Yamada

arxiv:1110.3993 v1 · 2011-10-14 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJWZO5LSYMW7JI36USNRFGELSM}

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	2026-05-18T04:10:47.530710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6d977572c32df4a37ea49b12988b933772b8e46ba0b35b93e328715da570a4

Aliases

arxiv: 1110.3993 · arxiv_version: 1110.3993v1 · doi: 10.48550/arxiv.1110.3993 · pith_short_12: NJWZO5LSYMW7 · pith_short_16: NJWZO5LSYMW7JI36 · pith_short_8: NJWZO5LS

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/NJWZO5LSYMW7JI36USNRFGELSM \
  | 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: 6a6d977572c32df4a37ea49b12988b933772b8e46ba0b35b93e328715da570a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8ecfe185f9d8f2641a115df61b7f11a65fac2de64538480ee44c8c3ada4804f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-10-14T19:29:16Z",
    "title_canon_sha256": "551bf901c5ea688a92bb517074f090e7cb80aec6dfb7973c518088f2c4f950ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3993",
    "kind": "arxiv",
    "version": 1
  }
}