Pith Number

pith:7JDUCL7L

pith:2014:7JDUCL7L7XHJKVYGMTWGSM2LUQ

not attested not anchored not stored refs pending

On the habitability of exoplanets orbiting Proxima Centauri

Lien Rodriguez, Madeleine Lopez, Rolando Cardenas

arxiv:1401.3267 v1 · 2014-01-11 · astro-ph.EP · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JDUCL7L7XHJKVYGMTWGSM2LUQ}

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	2026-05-18T03:02:19.039807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d

Aliases

arxiv: 1401.3267 · arxiv_version: 1401.3267v1 · doi: 10.48550/arxiv.1401.3267 · pith_short_12: 7JDUCL7L7XHJ · pith_short_16: 7JDUCL7L7XHJKVYG · pith_short_8: 7JDUCL7L

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/7JDUCL7L7XHJKVYGMTWGSM2LUQ \
  | 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: fa47412febfdce95570664ec69334ba41abd48ca95690900c6beee4b18377e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0663058ecd56624cf3af3a385125b983c74ac1de7b48fade0e6aeed090016d",
    "cross_cats_sorted": [
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-01-11T00:13:45Z",
    "title_canon_sha256": "250356f184e30d6a51e3931c9a96729e089f5b53d1629e80273dc336cab68a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3267",
    "kind": "arxiv",
    "version": 1
  }
}