Pith Number

pith:FAMDT5TM

pith:2013:FAMDT5TM56BGH2HVCSIHEGMXKX

not attested not anchored not stored refs pending

Remote Life Detection Criteria, Habitable Zone Boundaries, and the Frequency of Earthlike Planets around M and Late-K Stars

Chester Harman, James F. Kasting, Ramses M. Ramirez, Ravi Kopparapu

arxiv:1312.1328 v2 · 2013-12-04 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAMDT5TM56BGH2HVCSIHEGMXKX}

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	2026-05-18T01:45:58.585996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281839f66cef8263e8f5149072199755fd7cdef67e332c270b0a0f57c0683e1e

Aliases

arxiv: 1312.1328 · arxiv_version: 1312.1328v2 · doi: 10.48550/arxiv.1312.1328 · pith_short_12: FAMDT5TM56BG · pith_short_16: FAMDT5TM56BGH2HV · pith_short_8: FAMDT5TM

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/FAMDT5TM56BGH2HVCSIHEGMXKX \
  | 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: 281839f66cef8263e8f5149072199755fd7cdef67e332c270b0a0f57c0683e1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d176083c7ce3eee22e3b6ac980f8214417720a689aba87754773a2974d0790a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-12-04T20:57:04Z",
    "title_canon_sha256": "d3116ddbcf531346fdeefb82ba2c3652c91ad9299fb39680024d38f4c0e51e09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1328",
    "kind": "arxiv",
    "version": 2
  }
}