Pith Number

pith:7QXJJE6F

pith:2019:7QXJJE6FPZZAVKA3OPDOBJ2HC4

not attested not anchored not stored refs pending

Singularities and Catastrophes in Economics: Historical Perspectives and Future Directions

Adam Harris, Michael S. Harr\'e, Scott McCallum

arxiv:1907.05582 v1 · 2019-07-12 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QXJJE6FPZZAVKA3OPDOBJ2HC4}

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	2026-05-17T23:40:47.821727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc2e9493c57e720aa81b73c6e0a747171ca273571ce02d8c75670484b8c33161

Aliases

arxiv: 1907.05582 · arxiv_version: 1907.05582v1 · doi: 10.48550/arxiv.1907.05582 · pith_short_12: 7QXJJE6FPZZA · pith_short_16: 7QXJJE6FPZZAVKA3 · pith_short_8: 7QXJJE6F

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/7QXJJE6FPZZAVKA3OPDOBJ2HC4 \
  | 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: fc2e9493c57e720aa81b73c6e0a747171ca273571ce02d8c75670484b8c33161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb48c64a6fd55b0c1463115fc106a8cf45ce3cccf57d5874c4753adff5fb8ca",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2019-07-12T05:45:18Z",
    "title_canon_sha256": "6bb276ce8b0d7d948772db25f2de4f464b5dd19d14cffc05921d7823e2a4d71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05582",
    "kind": "arxiv",
    "version": 1
  }
}