Pith Number

pith:IZTKELNH

pith:2019:IZTKELNH2S3GYGJAFP4HMRXZLZ

not attested not anchored not stored refs pending

The global existence issue for the compressible Euler system with Poisson or Helmholtz couplings

and\v{s} Ne\v{c}asov\'a, Bernard Ducomet (LAMA), Rapha\"el Danchin (LAMA), \v{S}\'arka Ne\v{c}asov\'a, Xavier Blanc (UPD7)

arxiv:1906.08075 v1 · 2019-06-19 · 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{IZTKELNH2S3GYGJAFP4HMRXZLZ}

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	2026-05-17T23:42:54.660034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4666a22da7d4b66c19202bf87646f95e76c4727a749c41296ff37288aeac4b7d

Aliases

arxiv: 1906.08075 · arxiv_version: 1906.08075v1 · doi: 10.48550/arxiv.1906.08075 · pith_short_12: IZTKELNH2S3G · pith_short_16: IZTKELNH2S3GYGJA · pith_short_8: IZTKELNH

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/IZTKELNH2S3GYGJAFP4HMRXZLZ \
  | 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: 4666a22da7d4b66c19202bf87646f95e76c4727a749c41296ff37288aeac4b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23c152c710abd8ced2ddb16403cd09d1bd22a0a6d195b92f1491e30ed22592c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-19T12:49:55Z",
    "title_canon_sha256": "56109ddeda73beb44331af03fc3956cb281dd146869130b7f891dca820178887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08075",
    "kind": "arxiv",
    "version": 1
  }
}