Pith Number

pith:ANK4QAUX

pith:2012:ANK4QAUXC6FH2CFIRFNDIWXRBB

not attested not anchored not stored refs pending

Constraining cosmologies with fundamental constants I. Quintessence and K-Essence

C.J.A.P. Martins, P.E. Vielzeuf, Rodger I. Thompson

arxiv:1210.3031 v1 · 2012-10-10 · 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{ANK4QAUXC6FH2CFIRFNDIWXRBB}

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	2026-05-18T01:54:03.254411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0355c80297178a7d08a8895a345af1086583c522e6524efd17d71724f47327ce

Aliases

arxiv: 1210.3031 · arxiv_version: 1210.3031v1 · doi: 10.48550/arxiv.1210.3031 · pith_short_12: ANK4QAUXC6FH · pith_short_16: ANK4QAUXC6FH2CFI · pith_short_8: ANK4QAUX

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/ANK4QAUXC6FH2CFIRFNDIWXRBB \
  | 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: 0355c80297178a7d08a8895a345af1086583c522e6524efd17d71724f47327ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f93ea35437522a544206c8923af4f661665c303575663d195e30ab10b879b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-10T20:00:03Z",
    "title_canon_sha256": "89f0ae1e52a824f79bc3378aea4c47a308c1ca6c02246ba27da458e27ea413b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3031",
    "kind": "arxiv",
    "version": 1
  }
}