Pith Number

pith:ZZTWTLHF

pith:2017:ZZTWTLHFIUNFVIM6FKOXFW5NCX

not attested not anchored not stored refs pending

Astrometry and exoplanets in the Gaia era: a Bayesian approach to detection and parameter recovery

David Hobbs, Lennart Lindegren (Lund Observatory, Piero Ranalli, Sweden)

arxiv:1704.02493 v2 · 2017-04-08 · 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{ZZTWTLHFIUNFVIM6FKOXFW5NCX}

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	2026-05-18T00:13:32.758203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce6769ace5451a5aa19e2a9d72dbad15ef914f8a8e03023ceb6a194b12e1e9af

Aliases

arxiv: 1704.02493 · arxiv_version: 1704.02493v2 · doi: 10.48550/arxiv.1704.02493 · pith_short_12: ZZTWTLHFIUNF · pith_short_16: ZZTWTLHFIUNFVIM6 · pith_short_8: ZZTWTLHF

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/ZZTWTLHFIUNFVIM6FKOXFW5NCX \
  | 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: ce6769ace5451a5aa19e2a9d72dbad15ef914f8a8e03023ceb6a194b12e1e9af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0d63ac292fb0d01c194bfbaff14c9267e15a6f050d58ec2322564e6edad582",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-04-08T13:33:40Z",
    "title_canon_sha256": "100c2dae786cc590511e4f742f7f89d3d2092fa2d18079a728cc8d970ccc98b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02493",
    "kind": "arxiv",
    "version": 2
  }
}