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Pith Number

pith:FBBDTIW3

pith:2010:FBBDTIW3QUECUSLIH2QXF36MIC
not attested not anchored not stored refs pending

Starry Messages: Searching for Signatures of Interstellar Archaeology

Richard A. Carrigan Jr (Fermi National Accelerator Laboratory)

arxiv:1001.5455 v1 · 2010-01-29 · astro-ph.GA · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FBBDTIW3QUECUSLIH2QXF36MIC}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T04:24:35.269926Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

284239a2db85082a49683ea172efcc409936269c128342a7f740469e6fb59a45

Aliases

arxiv: 1001.5455 · arxiv_version: 1001.5455v1 · doi: 10.48550/arxiv.1001.5455 · pith_short_12: FBBDTIW3QUEC · pith_short_16: FBBDTIW3QUECUSLI · pith_short_8: FBBDTIW3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FBBDTIW3QUECUSLIH2QXF36MIC \
  | 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: 284239a2db85082a49683ea172efcc409936269c128342a7f740469e6fb59a45
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "460358699bc097cc6cd9dc9192d06c84d2f7288bd1e9453474cd0b9098405af5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-29T19:15:25Z",
    "title_canon_sha256": "543152a654209c3dbe4882119deab34deaec14be8518a19f24c655e646ae152c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5455",
    "kind": "arxiv",
    "version": 1
  }
}