Pith Number

pith:5FP7CKQP

pith:2017:5FP7CKQPTKNMRBDNF44AUPPAAM

not attested not anchored not stored refs pending

The Internet as Quantitative Social Science Platform: Insights from a Trillion Observations

Klaus Ackermann, Paul A Raschky, Simon D Angus

arxiv:1701.05632 v1 · 2017-01-19 · q-fin.EC · cs.CY · cs.SI · physics.soc-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FP7CKQPTKNMRBDNF44AUPPAAM}

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	2026-05-18T00:52:28.959743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e95ff12a0f9a9ac8846d2f380a3de00317963719a514f2bcb686ab0793868cd1

Aliases

arxiv: 1701.05632 · arxiv_version: 1701.05632v1 · doi: 10.48550/arxiv.1701.05632 · pith_short_12: 5FP7CKQPTKNM · pith_short_16: 5FP7CKQPTKNMRBDN · pith_short_8: 5FP7CKQP

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/5FP7CKQPTKNMRBDNF44AUPPAAM \
  | 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: e95ff12a0f9a9ac8846d2f380a3de00317963719a514f2bcb686ab0793868cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30d3e30e3fa2c95eef61be2ffb282c88be519489ecfd0d306dad87d3ba9d1bd",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI",
      "physics.soc-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2017-01-19T22:35:46Z",
    "title_canon_sha256": "4b844e6e59b965acd9a492a3fd4bdfddc1552342ac8ba918bc8c862452704363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05632",
    "kind": "arxiv",
    "version": 1
  }
}