Pith Number

pith:LDLFF25B

pith:2014:LDLFF25BJZKCQXBFT4BX2FRF5M

not attested not anchored not stored refs pending

Stellar Activity Masquerading as Planets in the Habitable Zone of the M dwarf Gliese 581

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

arxiv:1407.1049 v1 · 2014-07-03 · 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{LDLFF25BJZKCQXBFT4BX2FRF5M}

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	2026-05-18T02:48:16.855978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d652eba14e54285c259f037d1625eb3b772e2610d2556c90dea7536e3edc3f

Aliases

arxiv: 1407.1049 · arxiv_version: 1407.1049v1 · doi: 10.48550/arxiv.1407.1049 · pith_short_12: LDLFF25BJZKC · pith_short_16: LDLFF25BJZKCQXBF · pith_short_8: LDLFF25B

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/LDLFF25BJZKCQXBFT4BX2FRF5M \
  | 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: 58d652eba14e54285c259f037d1625eb3b772e2610d2556c90dea7536e3edc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db075c97a911f6ca4d028b767ed0caed878de9b33b7343835c279ce050daf416",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-07-03T20:00:07Z",
    "title_canon_sha256": "e4140bfdd26a42ba66642dee6df9e2cbb0cf6c34caf2132aed6f5ce05749f341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1049",
    "kind": "arxiv",
    "version": 1
  }
}