Pith Number

pith:5DDBHJNW

pith:2013:5DDBHJNWIB643C4RGHLIE27NIM

not attested not anchored not stored refs pending

Parametric instability in scalar gravitational fields

C. H.-T. Wang, J. T. Mendonca, R. Bingham, T. B. Davies

arxiv:1309.4260 v1 · 2013-09-17 · 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{5DDBHJNWIB643C4RGHLIE27NIM}

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	2026-05-18T03:13:09.167367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c613a5b6407dcd8b9131d6826bed430f5d26b31106940b805a0a9d718193d2

Aliases

arxiv: 1309.4260 · arxiv_version: 1309.4260v1 · doi: 10.48550/arxiv.1309.4260 · pith_short_12: 5DDBHJNWIB64 · pith_short_16: 5DDBHJNWIB643C4R · pith_short_8: 5DDBHJNW

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/5DDBHJNWIB643C4RGHLIE27NIM \
  | 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: e8c613a5b6407dcd8b9131d6826bed430f5d26b31106940b805a0a9d718193d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adef0e6de634f5a116c1dd0195106e947c9e339e38e1c6f9450691169e1b66c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-17T11:20:00Z",
    "title_canon_sha256": "ff2f48f741e72c72af6250207049459432c2fab5ef0494ec00d168a37e156883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4260",
    "kind": "arxiv",
    "version": 1
  }
}