Pith Number

pith:P4JOM66E

pith:2015:P4JOM66EA2RGWCQHT7PKMLVFJU

not attested not anchored not stored refs pending

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

Guillem Anglada-Escud\'e, Mikko Tuomi

arxiv:1503.01976 v1 · 2015-03-06 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4JOM66EA2RGWCQHT7PKMLVFJU}

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	2026-05-18T02:25:27.119771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f12e67bc406a26b0a079fdea62ea54d0a0655b9e39ca649b08dc2897b626b64

Aliases

arxiv: 1503.01976 · arxiv_version: 1503.01976v1 · doi: 10.48550/arxiv.1503.01976 · pith_short_12: P4JOM66EA2RG · pith_short_16: P4JOM66EA2RGWCQH · pith_short_8: P4JOM66E

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/P4JOM66EA2RGWCQHT7PKMLVFJU \
  | 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: 7f12e67bc406a26b0a079fdea62ea54d0a0655b9e39ca649b08dc2897b626b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a50c58d49fb92f05f7f07cbc0a9f74e5c153ac99922d88f193940bd11b744d2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-06T14:40:56Z",
    "title_canon_sha256": "e70cd5171679882d411614bf5e7cfe189cbd7b517ea1bf9b862b11855e039cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01976",
    "kind": "arxiv",
    "version": 1
  }
}