Pith Number

pith:FT52P2HP

pith:2011:FT52P2HPPSCC4KQLNBMARKSF2K

not attested not anchored not stored refs pending

Telescope Bibliometrics 101

Jill Lagerstrom, Uta Grothkopf

arxiv:1103.5474 v1 · 2011-03-28 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FT52P2HPPSCC4KQLNBMARKSF2K}

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	2026-05-18T01:21:56.179238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cfba7e8ef7c842e2a0b685808aa45d2859c19c543260fc95736afccab8e42eb

Aliases

arxiv: 1103.5474 · arxiv_version: 1103.5474v1 · doi: 10.48550/arxiv.1103.5474 · pith_short_12: FT52P2HPPSCC · pith_short_16: FT52P2HPPSCC4KQL · pith_short_8: FT52P2HP

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/FT52P2HPPSCC4KQLNBMARKSF2K \
  | 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: 2cfba7e8ef7c842e2a0b685808aa45d2859c19c543260fc95736afccab8e42eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d60dc0a7577c00c4c55ac0dd325232a2ccaf1bce118615fbe2fd11526fa6e76",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-28T20:21:22Z",
    "title_canon_sha256": "f75822bae42ed2b2f8570e98523a8b349ef47874698120b09002ddac2c1b0368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5474",
    "kind": "arxiv",
    "version": 1
  }
}