Pith Number

pith:EHDBD4HO

pith:2012:EHDBD4HOQOJYRSENRQCCFJKZRW

not attested not anchored not stored refs pending

Two-dimensional, homogeneous, isotropic fluid turbulence with polymer additives

Anupam Gupta, Prasad Perlekar, Rahul Pandit

arxiv:1207.4774 v4 · 2012-07-19 · 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{EHDBD4HOQOJYRSENRQCCFJKZRW}

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	2026-05-18T00:58:55.808973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c611f0ee839388c88d8c0422a5598dab7c05ccdef1a6534f2629d404a3cff2

Aliases

arxiv: 1207.4774 · arxiv_version: 1207.4774v4 · doi: 10.48550/arxiv.1207.4774 · pith_short_12: EHDBD4HOQOJY · pith_short_16: EHDBD4HOQOJYRSEN · pith_short_8: EHDBD4HO

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/EHDBD4HOQOJYRSENRQCCFJKZRW \
  | 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: 21c611f0ee839388c88d8c0422a5598dab7c05ccdef1a6534f2629d404a3cff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c2bca8189458bae828fa69456f9c552c2a39dc7fe598d35409d3c5d9275bb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-07-19T19:28:56Z",
    "title_canon_sha256": "2e3d5f1ed4ddca959831e4c93a694c5f012a511aabb6a30379a2c08f133ff49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4774",
    "kind": "arxiv",
    "version": 4
  }
}