Pith Number

pith:6ITEUE3R

pith:2011:6ITEUE3ROUXRSNE5ZNJEONRBJ3

not attested not anchored not stored refs pending

A Habitable Planet around HD 85512?

F. Pepe, L. Kaltenegger, S. Udry

arxiv:1108.3561 v1 · 2011-08-17 · 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{6ITEUE3ROUXRSNE5ZNJEONRBJ3}

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	2026-05-18T04:15:17.372911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2264a1371752f19349dcb524736214ee3399acb587196625af3f411e29c74cb

Aliases

arxiv: 1108.3561 · arxiv_version: 1108.3561v1 · doi: 10.48550/arxiv.1108.3561 · pith_short_12: 6ITEUE3ROUXR · pith_short_16: 6ITEUE3ROUXRSNE5 · pith_short_8: 6ITEUE3R

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/6ITEUE3ROUXRSNE5ZNJEONRBJ3 \
  | 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: f2264a1371752f19349dcb524736214ee3399acb587196625af3f411e29c74cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d67577e2d2bc489bedcf62c71a185fcb03506752e52695473ce9b334a16241",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-08-17T19:59:06Z",
    "title_canon_sha256": "577bde8825bbda612707597a080f03e807112b50ffa929a82e5438d83c2c4f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3561",
    "kind": "arxiv",
    "version": 1
  }
}