Pith Number

pith:X2WWRAVO

pith:2012:X2WWRAVODVIMOZTIGP6R542AMD

not attested not anchored not stored refs pending

Constraining the dark energy equation of state with double source plane strong lenses

Alex C. Hall, Matthew W. Auger, Philip J. Marshall, Thomas E. Collett, Vasily Belokurov

arxiv:1203.2758 v2 · 2012-03-13 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2WWRAVODVIMOZTIGP6R542AMD}

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	2026-05-18T01:58:09.454297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bead6882ae1d50c7666833fd1ef34060e674b3afe11807745be62edbafbdafde

Aliases

arxiv: 1203.2758 · arxiv_version: 1203.2758v2 · doi: 10.48550/arxiv.1203.2758 · pith_short_12: X2WWRAVODVIM · pith_short_16: X2WWRAVODVIMOZTI · pith_short_8: X2WWRAVO

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/X2WWRAVODVIMOZTIGP6R542AMD \
  | 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: bead6882ae1d50c7666833fd1ef34060e674b3afe11807745be62edbafbdafde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d4edb6fde758b9c2f32df8ff3a859e57922c306a5f0394f66cd3a5163a9ef4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-13T10:27:40Z",
    "title_canon_sha256": "01302d1aaea734db2ac2a5487a8b6c1fe9515a6a15a14976ea96969e77b93593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2758",
    "kind": "arxiv",
    "version": 2
  }
}