Pith Number

pith:PDLE64ST

pith:2014:PDLE64STM3O4FE745LFB2X3KSU

not attested not anchored not stored refs pending

Characterizing repulsive gravity with curvature eigenvalues

Hernando Quevedo, Orlando Luongo

arxiv:1407.1530 v2 · 2014-07-06 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDLE64STM3O4FE745LFB2X3KSU}

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	2026-05-18T01:42:41.597956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d64f725366ddc293fceaca1d5f6a9524c76c7d7b1e87bec239a277b0195e6f

Aliases

arxiv: 1407.1530 · arxiv_version: 1407.1530v2 · doi: 10.48550/arxiv.1407.1530 · pith_short_12: PDLE64STM3O4 · pith_short_16: PDLE64STM3O4FE74 · pith_short_8: PDLE64ST

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/PDLE64STM3O4FE745LFB2X3KSU \
  | 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: 78d64f725366ddc293fceaca1d5f6a9524c76c7d7b1e87bec239a277b0195e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce5c7fa313b1ea042440f97bf9d0d154f50f0ffaf7e87b087556ca4e03e52e1c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-06T19:01:20Z",
    "title_canon_sha256": "671b55ddd02c1671c8a9f4ed790f1308036cefd8f3fd41789e9342bf26ae12b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1530",
    "kind": "arxiv",
    "version": 2
  }
}