Pith Number

pith:JILCXKFZ

pith:2009:JILCXKFZJHB6SDMI56A6DAE67N

not attested not anchored not stored refs pending

Exoplanet search with astrometry

Ralf Launhardt

arxiv:0904.1100 v1 · 2009-04-07 · 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{JILCXKFZJHB6SDMI56A6DAE67N}

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	2026-05-18T02:34:59.902311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a162ba8b949c3e90d88ef81e1809efb476bb59fc56f97406d44373d5d4f5213

Aliases

arxiv: 0904.1100 · arxiv_version: 0904.1100v1 · doi: 10.48550/arxiv.0904.1100 · pith_short_12: JILCXKFZJHB6 · pith_short_16: JILCXKFZJHB6SDMI · pith_short_8: JILCXKFZ

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/JILCXKFZJHB6SDMI56A6DAE67N \
  | 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: 4a162ba8b949c3e90d88ef81e1809efb476bb59fc56f97406d44373d5d4f5213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df86ad68417d84cf3d829eabf5d37e840071c06be44cb646de72ae98c14c67a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-07T11:01:14Z",
    "title_canon_sha256": "a4e56b985115f90b0a6459d705cd8e05e5432208a807b40c45d1272e4c2a1d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1100",
    "kind": "arxiv",
    "version": 1
  }
}