Pith Number

pith:DRT46PCD

pith:2002:DRT46PCDBU2QB3HKACMDMPTL2P

not attested not anchored not stored refs pending

The Extra-Solar Planet Imager (ESPI)

C. Hardesty, C. Papaliolios, D.A. Neufeld, D.D. Sasselov, D. Fischer, D. Gezari, G.J. Melnick, J. Geary, M. Harwit, M. Holman, M.S. Marley, P. Nisenson, R.G. Lyon, R. Gonsalves, R.W. Noyes, S.G. Korzennik, S.T. Ridgway

arxiv:astro-ph/0210046 v1 · 2002-10-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DRT46PCDBU2QB3HKACMDMPTL2P}

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	2026-07-04T14:12:16.521057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c67cf3c430d3500ecea0098363e6bd3c93dc2398e0cb2c2f9018e2bc8ea6e37

Aliases

arxiv: astro-ph/0210046 · arxiv_version: astro-ph/0210046v1 · doi: 10.48550/arxiv.astro-ph/0210046 · pith_short_12: DRT46PCDBU2Q · pith_short_16: DRT46PCDBU2QB3HK · pith_short_8: DRT46PCD

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/DRT46PCDBU2QB3HKACMDMPTL2P \
  | 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: 1c67cf3c430d3500ecea0098363e6bd3c93dc2398e0cb2c2f9018e2bc8ea6e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b828b71d4badc2969851b199fc5fd0982e0c66c9edae980e69a7f16d80ae7b6a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-02T19:50:09Z",
    "title_canon_sha256": "d7c6525c3d868d657b93fddb900f3f310c5f03716cccb548cfa8ff64183431c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210046",
    "kind": "arxiv",
    "version": 1
  }
}