Pith Number

pith:BTCUXGBN

pith:2019:BTCUXGBNYOEOSJ76ESL2QNLE4N

not attested not anchored not stored refs pending

A cross-sectional study of social inequities in medical crowdfunding campaigns in the United States

Anne Montgomery, Emily Fuller, Lauren Berliner, Nora Kenworthy, Zhihang Dong

arxiv:1908.11018 v1 · 2019-08-29 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTCUXGBNYOEOSJ76ESL2QNLE4N}

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	2026-07-05T01:14:27.936680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc54b982dc388e927fe2497a83564e37fac8c4c3e69a50e288a6be308ea4c4e

Aliases

arxiv: 1908.11018 · arxiv_version: 1908.11018v1 · doi: 10.48550/arxiv.1908.11018 · pith_short_12: BTCUXGBNYOEO · pith_short_16: BTCUXGBNYOEOSJ76 · pith_short_8: BTCUXGBN

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/BTCUXGBNYOEOSJ76ESL2QNLE4N \
  | 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: 0cc54b982dc388e927fe2497a83564e37fac8c4c3e69a50e288a6be308ea4c4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54646a1291658379e8b4ea3146182aded9fa5ed0552bbd816f5a844b77cb2605",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-08-29T02:19:43Z",
    "title_canon_sha256": "649e66c72c9f8abd3d73a6a64c78530add4fd55e3d9204e716c658db46aab54d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11018",
    "kind": "arxiv",
    "version": 1
  }
}