Pith Number

pith:BYVZYKDA

pith:2013:BYVZYKDABL4JJUELI5CEX5MEPC

not attested not anchored not stored refs pending

Drag Reduction, from Bending to Pruning

Christophe Eloy, Diego Lopez, Emmanuel de Langre, S\'ebastien Michelin

arxiv:1305.4995 v2 · 2013-05-22 · physics.bio-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYVZYKDABL4JJUELI5CEX5MEPC}

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

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	2026-05-18T01:49:48.119007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2b9c28600af894d08b47444bf58478a6f145e6a32b832039ca9e203ca6c399

Aliases

arxiv: 1305.4995 · arxiv_version: 1305.4995v2 · doi: 10.48550/arxiv.1305.4995 · pith_short_12: BYVZYKDABL4J · pith_short_16: BYVZYKDABL4JJUEL · pith_short_8: BYVZYKDA

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/BYVZYKDABL4JJUELI5CEX5MEPC \
  | 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: 0e2b9c28600af894d08b47444bf58478a6f145e6a32b832039ca9e203ca6c399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4ce24367821caa2ea4d02b7f47b3eea64121993165b079e907858cf8260d9d",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-05-22T00:53:59Z",
    "title_canon_sha256": "7dae5c34a9a1a1ffd11dfc7e755a6d215885aff7456d9beb5a16e59eb303497d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4995",
    "kind": "arxiv",
    "version": 2
  }
}