Pith Number

pith:JF2HU5KE

pith:2016:JF2HU5KEVETFB2AL7JD3DGGBY5

not attested not anchored not stored refs pending

Grand challenges in altmetrics: heterogeneity, data quality and dependencies

Stefanie Haustein

arxiv:1603.04939 v1 · 2016-03-16 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JF2HU5KEVETFB2AL7JD3DGGBY5}

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	2026-05-18T01:18:59.630702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49747a7544a92650e80bfa47b198c1c77a1c3e410e3e2fcc4e9eff33083357ca

Aliases

arxiv: 1603.04939 · arxiv_version: 1603.04939v1 · doi: 10.48550/arxiv.1603.04939 · pith_short_12: JF2HU5KEVETF · pith_short_16: JF2HU5KEVETFB2AL · pith_short_8: JF2HU5KE

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/JF2HU5KEVETFB2AL7JD3DGGBY5 \
  | 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: 49747a7544a92650e80bfa47b198c1c77a1c3e410e3e2fcc4e9eff33083357ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd94f3bc1ccd66a5767b65adc79a2ee175748f22a09d628aadadcb696d0ef723",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-03-16T02:02:15Z",
    "title_canon_sha256": "266dc4307abbea1e0be4d24ce29ded69d6e7963d15e3afca7beb77fe8070ee50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04939",
    "kind": "arxiv",
    "version": 1
  }
}