Pith Number

pith:XRCPUNIU

pith:2018:XRCPUNIUE4GFSPSIDTZDATY5UA

not attested not anchored not stored refs pending

The insoluble problems of books: What does Altmetric.com have to offer?

Daniel Torres-Salinas, Juan Gorraiz, Nicolas Robinson-Garcia

arxiv:1809.10128 v1 · 2018-09-26 · 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{XRCPUNIUE4GFSPSIDTZDATY5UA}

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	2026-05-18T00:04:35.339262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc44fa3514270c593e481cf2304f1da03f00f332e1eb59b18d93fe2c854d5fbc

Aliases

arxiv: 1809.10128 · arxiv_version: 1809.10128v1 · doi: 10.48550/arxiv.1809.10128 · pith_short_12: XRCPUNIUE4GF · pith_short_16: XRCPUNIUE4GFSPSI · pith_short_8: XRCPUNIU

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/XRCPUNIUE4GFSPSIDTZDATY5UA \
  | 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: bc44fa3514270c593e481cf2304f1da03f00f332e1eb59b18d93fe2c854d5fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7f47457fc5a8bd32c7d6c2581b211155d26f5295e1b0a4ecb9b36bbb05d3dd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-09-26T17:20:44Z",
    "title_canon_sha256": "ab0c60e5b2ca7215622cec2e5b2225c06b6f77da97059e295dbdf8fbec4bb838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10128",
    "kind": "arxiv",
    "version": 1
  }
}