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Pith Number

pith:55EFMXUE

pith:2018:55EFMXUEUEQ4FIURA6BTEERQHE
not attested not anchored not stored refs pending

Apologia Pro Vita Sua: The Vanishing of the White Whale in the Mists

Martin Shubik

arxiv:1807.09577 v1 · 2018-07-25 · econ.GN · q-fin.EC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{55EFMXUEUEQ4FIURA6BTEERQHE}

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 2026-05-18T00:09:50.961448Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ef48565e84a121c2a2910783321230390c9d1212f7f6100b0ff8bfa9b6e2a606

Aliases

arxiv: 1807.09577 · arxiv_version: 1807.09577v1 · doi: 10.48550/arxiv.1807.09577 · pith_short_12: 55EFMXUEUEQ4 · pith_short_16: 55EFMXUEUEQ4FIUR · pith_short_8: 55EFMXUE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/55EFMXUEUEQ4FIURA6BTEERQHE \
  | 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: ef48565e84a121c2a2910783321230390c9d1212f7f6100b0ff8bfa9b6e2a606
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6c3fefc05b0a21e598210a1894f717bea1b7b1ff97aa05b2435f2e1938209e9",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2018-07-25T13:26:01Z",
    "title_canon_sha256": "ff9f49d9afe97303dc08e6ffcd2f855a34ec8e065a0fb3aa118a7c5dec0a7d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09577",
    "kind": "arxiv",
    "version": 1
  }
}