Pith Number

pith:HONDNC63

pith:2017:HONDNC63AB4YPYDQZHINXEYZN3

not attested not anchored not stored refs pending

Exoplanets: Possible Biosignatures

R. Claudi

arxiv:1708.05829 v1 · 2017-08-19 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HONDNC63AB4YPYDQZHINXEYZN3}

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	2026-05-18T00:37:44.105487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12

Aliases

arxiv: 1708.05829 · arxiv_version: 1708.05829v1 · doi: 10.48550/arxiv.1708.05829 · pith_short_12: HONDNC63AB4Y · pith_short_16: HONDNC63AB4YPYDQ · pith_short_8: HONDNC63

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/HONDNC63AB4YPYDQZHINXEYZN3 \
  | 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: 3b9a368bdb007987e070c9d0db93196ed7ff98459e3e98289171efd8fc076b12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e6fd445009a0067f5904a1e2a993300b8802f186cb9da2c1b7b575e3d3229f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-08-19T10:45:00Z",
    "title_canon_sha256": "cb4899ecbefc49781afefea2a9aeb41907a7913404fa9c45ecdf7be3405b3ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05829",
    "kind": "arxiv",
    "version": 1
  }
}