Pith Number

pith:2SF2YRVC

pith:2020:2SF2YRVCIIN3EPT44B3SL5KXEK

not attested not anchored not stored refs pending

Health Information Standardisation as a basis for Learning Health Systems

Scott McLachlan

arxiv:2004.04811 v1 · 2020-03-30 · cs.CY · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SF2YRVCIIN3EPT44B3SL5KXEK}

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	2026-07-05T00:54:14.457023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48bac46a2421bb23e7ce07725f55722ade747187b66807753943c388f79a2b3

Aliases

arxiv: 2004.04811 · arxiv_version: 2004.04811v1 · doi: 10.48550/arxiv.2004.04811 · pith_short_12: 2SF2YRVCIIN3 · pith_short_16: 2SF2YRVCIIN3EPT4 · pith_short_8: 2SF2YRVC

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/2SF2YRVCIIN3EPT44B3SL5KXEK \
  | 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: d48bac46a2421bb23e7ce07725f55722ade747187b66807753943c388f79a2b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a377cc39c79fe3c609c443cac7e64bfc3f45f13ae6201d90b2715c85c22894",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-03-30T12:42:29Z",
    "title_canon_sha256": "9d4cc279929b0759b40241d51df04287491307672424c6298247353b44b8980f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04811",
    "kind": "arxiv",
    "version": 1
  }
}