Pith Number

pith:OGFSNF5H

pith:2013:OGFSNF5HBKWAQ2M246NWGDHGZL

not attested not anchored not stored refs pending

A fully-coupled discontinuous Galerkin method for two-phase flow in porous media with discontinuous capillary pressure

Peter Bastian

arxiv:1309.7555 v1 · 2013-09-29 · physics.flu-dyn · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGFSNF5HBKWAQ2M246NWGDHGZL}

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	2026-05-18T03:11:56.602678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

718b2697a70aac08699ae79b630ce6cac99ee69a9b266e439dd6b0bf73e38519

Aliases

arxiv: 1309.7555 · arxiv_version: 1309.7555v1 · doi: 10.48550/arxiv.1309.7555 · pith_short_12: OGFSNF5HBKWA · pith_short_16: OGFSNF5HBKWAQ2M2 · pith_short_8: OGFSNF5H

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/OGFSNF5HBKWAQ2M246NWGDHGZL \
  | 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: 718b2697a70aac08699ae79b630ce6cac99ee69a9b266e439dd6b0bf73e38519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad58043f0a8910f34844f94f6a1805e2c311171bc037a528b9cad110103ea72",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-29T08:56:03Z",
    "title_canon_sha256": "82914575dedf093bad9bd1d9ef5c196f76c3f42d838b6c44de81a86b33d3cf9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7555",
    "kind": "arxiv",
    "version": 1
  }
}