pith. sign in
Pith Number

pith:KG55KQHT

pith:2019:KG55KQHT77UHV5TZXBA5YNCDXT
not attested not anchored not stored refs pending

Evaluation Pattern on Refugee Crisis

Bernie Liu, Jiahui Chen, Mengjia Zhou

arxiv:1906.07408 v1 · 2019-06-18 · cs.CY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KG55KQHT77UHV5TZXBA5YNCDXT}

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 2026-05-17T23:43:07.950097Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

51bbd540f3ffe87af679b841dc3443bcf4ca410448c0684e401e76ec97279d48

Aliases

arxiv: 1906.07408 · arxiv_version: 1906.07408v1 · doi: 10.48550/arxiv.1906.07408 · pith_short_12: KG55KQHT77UH · pith_short_16: KG55KQHT77UHV5TZ · pith_short_8: KG55KQHT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KG55KQHT77UHV5TZXBA5YNCDXT \
  | 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: 51bbd540f3ffe87af679b841dc3443bcf4ca410448c0684e401e76ec97279d48
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7be57b1e6ea532d931f60d173c446e61b3393b294c3f850ba5b92b10cd14ff84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-06-18T07:09:42Z",
    "title_canon_sha256": "cf926a35a3720662c1ba0e4fcd62ef9114255c1ce4ba00b7abe615e8efd01b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07408",
    "kind": "arxiv",
    "version": 1
  }
}