Pith Number

pith:JIPSG4W7

pith:2010:JIPSG4W7R7IK264PAY5HVWOZJH

not attested not anchored not stored refs pending

The generalized Buckley-Leverett System. Solvability

Nikolai Chemetov, Wladimir Neves

arxiv:1011.5461 v1 · 2010-11-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIPSG4W7R7IK264PAY5HVWOZJH}

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	2026-05-18T04:34:47.254678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a1f2372df8fd0ad7b8f063a7ad9d949ecd952c8a1f35340e487fb84f7520a7d

Aliases

arxiv: 1011.5461 · arxiv_version: 1011.5461v1 · doi: 10.48550/arxiv.1011.5461 · pith_short_12: JIPSG4W7R7IK · pith_short_16: JIPSG4W7R7IK264P · pith_short_8: JIPSG4W7

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/JIPSG4W7R7IK264PAY5HVWOZJH \
  | 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: 4a1f2372df8fd0ad7b8f063a7ad9d949ecd952c8a1f35340e487fb84f7520a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37060b52c8b596baa8d3c2ab0c2120d78a8cd4b15171a928e6e343dc093ce8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-11-24T19:19:34Z",
    "title_canon_sha256": "b7160bc37cb8c509d31bbf5febb472dfb60c14b02828044ee7873506612c3e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5461",
    "kind": "arxiv",
    "version": 1
  }
}