Pith Number

pith:EY7URNCD

pith:2013:EY7URNCDQP6XCINS26HHTQM2I5

not attested not anchored not stored refs pending

Three Dimensional Steady Subsonic Euler Flows in Bounded Nozzles

Chao Chen, Chunjing Xie

arxiv:1305.2242 v1 · 2013-05-10 · 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{EY7URNCDQP6XCINS26HHTQM2I5}

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	2026-05-18T03:26:08.320282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263f48b44383fd7121b2d78e79c19a47789140e3760633a20a56a8c134c9df77

Aliases

arxiv: 1305.2242 · arxiv_version: 1305.2242v1 · doi: 10.48550/arxiv.1305.2242 · pith_short_12: EY7URNCDQP6X · pith_short_16: EY7URNCDQP6XCINS · pith_short_8: EY7URNCD

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/EY7URNCDQP6XCINS26HHTQM2I5 \
  | 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: 263f48b44383fd7121b2d78e79c19a47789140e3760633a20a56a8c134c9df77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34108f25a4dda2a8c1a5121e3f5d63a9a9a3385561391dd0697ee5b7a8429a72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-10T01:39:52Z",
    "title_canon_sha256": "eaf51f6a51f53e71b0abe81d39480c01c12101d027ec02ef98918003e534dc53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2242",
    "kind": "arxiv",
    "version": 1
  }
}