Pith Number

pith:FQJRJR5T

pith:2007:FQJRJR5TFAZI6RVNQTXZEVJO64

not attested not anchored not stored refs pending

A Generic Test of Modified Gravity Models which Emulate Dark Matter

E. O. Kahya, R. P. Woodard (University of Florida)

arxiv:0705.0153 v1 · 2007-05-01 · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQJRJR5TFAZI6RVNQTXZEVJO64}

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	2026-07-04T15:44:18.543027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1314c7b328328f46ad84ef92552ef70d73ef10c8424c657c2fa0ff807744e2

Aliases

arxiv: 0705.0153 · arxiv_version: 0705.0153v1 · doi: 10.48550/arxiv.0705.0153 · pith_short_12: FQJRJR5TFAZI · pith_short_16: FQJRJR5TFAZI6RVN · pith_short_8: FQJRJR5T

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/FQJRJR5TFAZI6RVNQTXZEVJO64 \
  | 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: 2c1314c7b328328f46ad84ef92552ef70d73ef10c8424c657c2fa0ff807744e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05f2fdb362f2f236001e5b8fca86b32a10d1a979287851516d1fe47606436f5",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-01T18:33:22Z",
    "title_canon_sha256": "c9e204b4cf760b12453bd92c7539f21b689ad0fcba7d6a884c7e9486c9be530b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0153",
    "kind": "arxiv",
    "version": 1
  }
}