Pith Number

pith:4MFKWY26

pith:2014:4MFKWY26YKH7DG4TJSZ5WTC7R2

not attested not anchored not stored refs pending

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Daniele Quercia, Jisun An, Jon Crowcroft

arxiv:1409.7489 v2 · 2014-09-26 · cs.SI · cs.CY · cs.HC · physics.soc-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MFKWY26YKH7DG4TJSZ5WTC7R2}

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	2026-05-18T02:40:17.651920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30aab635ec28ff19b934cb3db4c5f8e8bf0cef5b526cd24f207ba91f41bc962

Aliases

arxiv: 1409.7489 · arxiv_version: 1409.7489v2 · doi: 10.48550/arxiv.1409.7489 · pith_short_12: 4MFKWY26YKH7 · pith_short_16: 4MFKWY26YKH7DG4T · pith_short_8: 4MFKWY26

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/4MFKWY26YKH7DG4TJSZ5WTC7R2 \
  | 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: e30aab635ec28ff19b934cb3db4c5f8e8bf0cef5b526cd24f207ba91f41bc962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f497f933b0869a6970d8478346abee2ac03fd9579ed3081978faf1cf72e1b2",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.HC",
      "physics.soc-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-09-26T07:57:28Z",
    "title_canon_sha256": "05bdafd9632d260e2f87413bbb823876ef4f3ececb0589d2b09cdbf78d1898de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7489",
    "kind": "arxiv",
    "version": 2
  }
}