Pith Number

pith:JPCNFKOF

pith:2015:JPCNFKOFSIR7L4GOABGSRSLZQ7

not attested not anchored not stored refs pending

Response to Comment on "Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581"

2, 2), (2) Center for Exoplanets, 3), 3) ((1) Department of Astronomy, (3) The Penn State Astrobiology Research Center, (4) McDonald Observatory, Arpita Roy (1, Astrophysics, Habitable Worlds, Michael Endl (4), Paul Robertson (1, Suvrath Mahadevan (1, The Pennsylvania State University, The University of Texas at Austin)

arxiv:1503.02565 v1 · 2015-03-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPCNFKOFSIR7L4GOABGSRSLZQ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:19.381388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc4d2a9c59223f5f0ce004d28c97987e8864a61486c533f37fc12ee90de9049

Aliases

arxiv: 1503.02565 · arxiv_version: 1503.02565v1 · doi: 10.48550/arxiv.1503.02565 · pith_short_12: JPCNFKOFSIR7 · pith_short_16: JPCNFKOFSIR7L4GO · pith_short_8: JPCNFKOF

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/JPCNFKOFSIR7L4GOABGSRSLZQ7 \
  | 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: 4bc4d2a9c59223f5f0ce004d28c97987e8864a61486c533f37fc12ee90de9049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6a23517a356601e38754ea55327368baa3e384bc2074c2816c97db2dacd46b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-09T17:25:33Z",
    "title_canon_sha256": "23a3ee5810bd11d4d569ba3024b0a550e8cf9cdc5967e2b58779c0f51d643d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02565",
    "kind": "arxiv",
    "version": 1
  }
}