Pith Number

pith:3A4DPG7S

pith:2007:3A4DPG7SPZHHNFUFFEGXCBJN37

not attested not anchored not stored refs pending

Dynamical stability of fluid spheres in spacetimes with a nonzero cosmological constant

Kristina Mrazova, Stanislav Hledik, Zdenek Stuchlik

arxiv:gr-qc/0701051 v2 · 2007-01-09 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3A4DPG7SPZHHNFUFFEGXCBJN37}

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	2026-05-18T00:59:12.535553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d838379bf27e4e769685290d71052ddfc970dba49c201f9b3424be47edadb480

Aliases

arxiv: gr-qc/0701051 · arxiv_version: gr-qc/0701051v2 · doi: 10.48550/arxiv.gr-qc/0701051 · pith_short_12: 3A4DPG7SPZHH · pith_short_16: 3A4DPG7SPZHHNFUF · pith_short_8: 3A4DPG7S

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/3A4DPG7SPZHHNFUFFEGXCBJN37 \
  | 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: d838379bf27e4e769685290d71052ddfc970dba49c201f9b3424be47edadb480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31894c8f7dde51c9c2ba1e0cf13ebabebbda98b34156b86051fcdd97911d18f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-01-09T13:14:13Z",
    "title_canon_sha256": "b26d3364a690989caae5c8d0895906093f3cbc8807f60232ff4467560fbb075b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0701051",
    "kind": "arxiv",
    "version": 2
  }
}