Pith Number

pith:H5KXFCHD

pith:2017:H5KXFCHDDWOKMLHRM23BZ3ZZ6C

not attested not anchored not stored refs pending

How alien can alien worlds be?

N. C. Santos, P. Figueira, V. Adibekyan

arxiv:1710.07482 v1 · 2017-10-20 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5KXFCHDDWOKMLHRM23BZ3ZZ6C}

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	2026-05-18T00:32:24.688566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f557288e31d9ca62cf166b61cef39f0a68105862ca3339cbf51ccb3f50e4168

Aliases

arxiv: 1710.07482 · arxiv_version: 1710.07482v1 · doi: 10.48550/arxiv.1710.07482 · pith_short_12: H5KXFCHDDWOK · pith_short_16: H5KXFCHDDWOKMLHR · pith_short_8: H5KXFCHD

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/H5KXFCHDDWOKMLHRM23BZ3ZZ6C \
  | 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: 3f557288e31d9ca62cf166b61cef39f0a68105862ca3339cbf51ccb3f50e4168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3550da4d7eddaf2f0fd66ef8d2b96d74bb3a1b18c6d8eb71e54dacb56a9d5f7a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-10-20T10:51:04Z",
    "title_canon_sha256": "7168a8605ff105ea27258688a42f72bb7cb3656c8a3eb868b0612020d052e095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07482",
    "kind": "arxiv",
    "version": 1
  }
}