Pith Number

pith:RR7KLEQN

pith:2016:RR7KLEQNBKCSSKL7OSAEH7Y4KE

not attested not anchored not stored refs pending

Extracting Geography from Trade Data

Nicholas Marshall, Stefan Steinerberger, Tianhao Wu, Yuke Li

arxiv:1607.05235 v2 · 2016-07-18 · q-fin.TR · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR7KLEQNBKCSSKL7OSAEH7Y4KE}

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	2026-05-18T00:49:24.305071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7ea5920d0a8529297f748043ff1c5107385caad42ae3607b931e353eece85c

Aliases

arxiv: 1607.05235 · arxiv_version: 1607.05235v2 · doi: 10.48550/arxiv.1607.05235 · pith_short_12: RR7KLEQNBKCS · pith_short_16: RR7KLEQNBKCSSKL7 · pith_short_8: RR7KLEQN

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/RR7KLEQNBKCSSKL7OSAEH7Y4KE \
  | 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: 8c7ea5920d0a8529297f748043ff1c5107385caad42ae3607b931e353eece85c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a887d6091df3a31874815f20c3e064b97f6dde7277eaad5849477cbe6f4c786b",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2016-07-18T18:43:09Z",
    "title_canon_sha256": "f67ad3a5ceb8d4d03595b05e19f19f8bd93073d0482b54d6bcceb073e469dcde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05235",
    "kind": "arxiv",
    "version": 2
  }
}