Pith Number

pith:IM7DP2A7

pith:2012:IM7DP2A7FQBWECVOIFWIOERS62

not attested not anchored not stored refs pending

Effective Rheology of Immiscible Two-Phase Flow in Porous Media

Alex Hansen, Santanu Sinha

arxiv:1202.0530 v2 · 2012-02-02 · 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{IM7DP2A7FQBWECVOIFWIOERS62}

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	2026-05-18T03:54:16.572051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433e37e81f2c03620aae416c871232f6aa439992191055aa233520dee71d6b6d

Aliases

arxiv: 1202.0530 · arxiv_version: 1202.0530v2 · doi: 10.48550/arxiv.1202.0530 · pith_short_12: IM7DP2A7FQBW · pith_short_16: IM7DP2A7FQBWECVO · pith_short_8: IM7DP2A7

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/IM7DP2A7FQBWECVOIFWIOERS62 \
  | 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: 433e37e81f2c03620aae416c871232f6aa439992191055aa233520dee71d6b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c43f13456c1767a82999b6e7ad16fb87112c1003ff25d6e61dc8d69e610efb7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-02-02T19:53:39Z",
    "title_canon_sha256": "8cd5479118f835a26d3b9bb26beac9c525e3c941bb7eece70315fd09a87198e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0530",
    "kind": "arxiv",
    "version": 2
  }
}