Pith Number

pith:DQXWBMDO

pith:2013:DQXWBMDO7DJXTFWRF5HIBBBR7J

not attested not anchored not stored refs pending

Dark Energy coupling with electromagnetism as seen from future low-medium redshift probes

C. J. A. P. Martins, E. Calabrese, M. Martinelli, P. E. Vielzeuf, S. Pandolfi, S. Spiro, V. F. Cardone

arxiv:1311.5841 v2 · 2013-11-22 · 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{DQXWBMDO7DJXTFWRF5HIBBBR7J}

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	2026-05-18T01:46:06.900944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2f60b06ef8d37996d12f4e808431fa5abdbd718c17dbc0811142cefbdcc22c

Aliases

arxiv: 1311.5841 · arxiv_version: 1311.5841v2 · doi: 10.48550/arxiv.1311.5841 · pith_short_12: DQXWBMDO7DJX · pith_short_16: DQXWBMDO7DJXTFWR · pith_short_8: DQXWBMDO

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/DQXWBMDO7DJXTFWRF5HIBBBR7J \
  | 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: 1c2f60b06ef8d37996d12f4e808431fa5abdbd718c17dbc0811142cefbdcc22c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6171b06f2e6bb725c51fc951f371385118fe25235c0b8cfdfba8f2a74fc99456",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-22T18:45:22Z",
    "title_canon_sha256": "ceeee1a8bb97653c5a0c92fcd871686933e6dcb54dd803f3a81cd957960e3a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5841",
    "kind": "arxiv",
    "version": 2
  }
}