Pith Number

pith:CHJOQKEK

pith:2016:CHJOQKEKWMGX5JBLMMCLR4YOAN

not attested not anchored not stored refs pending

The Habitability of Proxima Centauri b I: Evolutionary Scenarios

Andrew Lincowski, Benjamin Guyer, Daniel Foreman-Mackey, David Crisp, David P. Fleming, Diego V. McDonald, Eddie Schwieterman, Giada Arney, Jacob Lustig-Yaeger, Nathan A. Kaib, Peter E. Driscoll, Rodrigo Luger, Rory Barnes, Russell Deitrick, Shawn D. Domagal-Goldman, Thomas R. Quinn, Victoria S. Meadows

arxiv:1608.06919 v2 · 2016-08-24 · 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{CHJOQKEKWMGX5JBLMMCLR4YOAN}

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	2026-05-18T00:21:57.229395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d2e8288ab30d7ea42b6304b8f30e037aaa0fb0f86a06051a1723b66a44ec8c

Aliases

arxiv: 1608.06919 · arxiv_version: 1608.06919v2 · doi: 10.48550/arxiv.1608.06919 · pith_short_12: CHJOQKEKWMGX · pith_short_16: CHJOQKEKWMGX5JBL · pith_short_8: CHJOQKEK

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/CHJOQKEKWMGX5JBLMMCLR4YOAN \
  | 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: 11d2e8288ab30d7ea42b6304b8f30e037aaa0fb0f86a06051a1723b66a44ec8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3327da4ea3d7337de4172c8f280e12a8bcf86c392e046366b180ef77c5e3e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-08-24T18:56:22Z",
    "title_canon_sha256": "427b640633f915a3fa9cdf6dda3de401cc35b14336823ac420e46ebbba83e55f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06919",
    "kind": "arxiv",
    "version": 2
  }
}