Pith Number

pith:M7D4UNBG

pith:2016:M7D4UNBGUE6XY73SKDA3LFF7KF

not attested not anchored not stored refs pending

Crowdsourcing Information Extraction for Biomedical Systematic Reviews

Byron C. Wallace, Hao Lyu, Iain Marshall, Matthew Lease, Pengxiang Cheng, Shengwei Wang, Yalin Sun

arxiv:1609.01017 v1 · 2016-09-05 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7D4UNBGUE6XY73SKDA3LFF7KF}

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	2026-05-18T01:06:19.275422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c7ca3426a13d7c7f7250c1b594bf517def8452b3af8445db4b3bb1b72bf28a

Aliases

arxiv: 1609.01017 · arxiv_version: 1609.01017v1 · doi: 10.48550/arxiv.1609.01017 · pith_short_12: M7D4UNBGUE6X · pith_short_16: M7D4UNBGUE6XY73S · pith_short_8: M7D4UNBG

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/M7D4UNBGUE6XY73SKDA3LFF7KF \
  | 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: 67c7ca3426a13d7c7f7250c1b594bf517def8452b3af8445db4b3bb1b72bf28a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9b45c679f4f3bc219af37fb1a7cff6db9263c229e8bb5c1375732461b4c13c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2016-09-05T02:01:37Z",
    "title_canon_sha256": "f27035785adc35efb325b2f098e04a40c6d05469c681558b99aaf3bcecd7b09b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01017",
    "kind": "arxiv",
    "version": 1
  }
}