Pith Number

pith:MPNIOGA7

pith:2016:MPNIOGA76L4GVKFGOIE2QQ54ZT

not attested not anchored not stored refs pending

Limit cycles can reduce the width of the habitable zone

Chester E. Harman, Jacob Haqq-Misra, James F. Kasting, Natasha E. Batalha, Ravi Kumar Kopparapu

arxiv:1605.07130 v1 · 2016-05-23 · astro-ph.EP · astro-ph.IM · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPNIOGA76L4GVKFGOIE2QQ54ZT}

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	2026-05-18T01:08:16.912903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63da87181ff2f86aa8a67209a843bcccd8d4e74ef6f56749a1110e64df7e34f6

Aliases

arxiv: 1605.07130 · arxiv_version: 1605.07130v1 · doi: 10.48550/arxiv.1605.07130 · pith_short_12: MPNIOGA76L4G · pith_short_16: MPNIOGA76L4GVKFG · pith_short_8: MPNIOGA7

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/MPNIOGA76L4GVKFGOIE2QQ54ZT \
  | 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: 63da87181ff2f86aa8a67209a843bcccd8d4e74ef6f56749a1110e64df7e34f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96dbced4f9c9d95b916221c3034192245bc2aaf1836c0e25153062a7741da632",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-23T18:39:33Z",
    "title_canon_sha256": "7d53438d30f5fd69846d2c01df889de3f62d2b5bd9392ccabf1bda52e8695544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07130",
    "kind": "arxiv",
    "version": 1
  }
}