Pith Number

pith:WRM7SRDO

pith:2014:WRM7SRDOGYILZXBRWRFQGJL54A

not attested not anchored not stored refs pending

Approximate solutions to the initial value problem for some compressible flows in presence of shocks and void regions

Mathilde Colombeau

arxiv:1406.0123 v1 · 2014-06-01 · 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{WRM7SRDOGYILZXBRWRFQGJL54A}

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	2026-05-18T02:50:41.716615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b459f9446e3610bcdc31b44b03257de0015f2678feaa0f5ceb25acb322f0117c

Aliases

arxiv: 1406.0123 · arxiv_version: 1406.0123v1 · doi: 10.48550/arxiv.1406.0123 · pith_short_12: WRM7SRDOGYIL · pith_short_16: WRM7SRDOGYILZXBR · pith_short_8: WRM7SRDO

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/WRM7SRDOGYILZXBRWRFQGJL54A \
  | 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: b459f9446e3610bcdc31b44b03257de0015f2678feaa0f5ceb25acb322f0117c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bdb22353df9e0bb94d570a99ad28e444a3934cc5f7701955e5eb76da558f567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-06-01T00:10:29Z",
    "title_canon_sha256": "1e7d20af890115296ab3592bc0add92e9b481a13847559c23a8cda798e0fce35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0123",
    "kind": "arxiv",
    "version": 1
  }
}