Pith Number

pith:6Z7MJPHD

pith:2013:6Z7MJPHDJHEBCBAZEDJQPRFGMB

not attested not anchored not stored refs pending

A natural cosmological constant from chameleons

Amanda Weltman, Horatiu Nastase

arxiv:1302.1748 v3 · 2013-02-07 · hep-th · 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{6Z7MJPHDJHEBCBAZEDJQPRFGMB}

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	2026-05-18T01:10:11.226547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67ec4bce349c811041920d307c4a66063f6ab78083b57ae84b92bb912323e9a

Aliases

arxiv: 1302.1748 · arxiv_version: 1302.1748v3 · doi: 10.48550/arxiv.1302.1748 · pith_short_12: 6Z7MJPHDJHEB · pith_short_16: 6Z7MJPHDJHEBCBAZ · pith_short_8: 6Z7MJPHD

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/6Z7MJPHDJHEBCBAZEDJQPRFGMB \
  | 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: f67ec4bce349c811041920d307c4a66063f6ab78083b57ae84b92bb912323e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3650934f461616528ad3086eaa3a693f1b64256d72a7c63f65cd43e2c96245",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-02-07T13:57:11Z",
    "title_canon_sha256": "e53a666d1233fd67db83ff6a1b907fe51f41a8ae23b70893ba82f44010579112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1748",
    "kind": "arxiv",
    "version": 3
  }
}