Pith Number

pith:XSF5HCN5

pith:2019:XSF5HCN5KBJDT2B6SS3QXRR6EY

not attested not anchored not stored refs pending

On the Mathematical Theory of Human Migration: Model of a Migration Channel with a Secondary and a Tertiary Arm

Nikolay K. Vitanov, Roumen Borisov

arxiv:1901.02361 v1 · 2019-01-05 · 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{XSF5HCN5KBJDT2B6SS3QXRR6EY}

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	2026-05-17T23:56:43.500479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8bd389bd505239e83e94b70bc63e26288993764446e2501080db8df0cce69a

Aliases

arxiv: 1901.02361 · arxiv_version: 1901.02361v1 · doi: 10.48550/arxiv.1901.02361 · pith_short_12: XSF5HCN5KBJD · pith_short_16: XSF5HCN5KBJDT2B6 · pith_short_8: XSF5HCN5

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/XSF5HCN5KBJDT2B6SS3QXRR6EY \
  | 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: bc8bd389bd505239e83e94b70bc63e26288993764446e2501080db8df0cce69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99cc81eca641b7aeac6a47ea9f8b693ccaed65e818f20a5c72e032735e165442",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-01-05T20:26:53Z",
    "title_canon_sha256": "4f961e103fe71014317f1a57f419e36b3b82912a78650fa438c6be8fd07645c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02361",
    "kind": "arxiv",
    "version": 1
  }
}