Pith Number

pith:EDNJ3RQB

pith:2013:EDNJ3RQBMLRBR7D42BHQZZFL3T

not attested not anchored not stored refs pending

Newtonian Hydrodynamics with General Relativistic Pressure

Hyerim Noh, Jai-chan Hwang

arxiv:1309.7680 v1 · 2013-09-30 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDNJ3RQBMLRBR7D42BHQZZFL3T}

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	2026-05-18T01:47:24.705015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20da9dc60162e218fc7cd04f0ce4abdccc14b5ade2355df13727b6828b76f53c

Aliases

arxiv: 1309.7680 · arxiv_version: 1309.7680v1 · doi: 10.48550/arxiv.1309.7680 · pith_short_12: EDNJ3RQBMLRB · pith_short_16: EDNJ3RQBMLRBR7D4 · pith_short_8: EDNJ3RQB

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/EDNJ3RQBMLRBR7D42BHQZZFL3T \
  | 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: 20da9dc60162e218fc7cd04f0ce4abdccc14b5ade2355df13727b6828b76f53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14bc07679b2696dc7c75444574612c93ffa935668a71fd86e12678553715ce36",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-30T00:09:26Z",
    "title_canon_sha256": "8f2ddc6e5192be86dc4bb241beb8312fde9023ac4f51f3b4fc4940d297c22ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7680",
    "kind": "arxiv",
    "version": 1
  }
}