Pith Number

pith:FHL7PGUG

pith:2020:FHL7PGUGUJ5JACM3PIBZWWRK62

not attested not anchored not stored refs pending

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Leonardo Maccari, Valeria Cagno

arxiv:2005.10187 v2 · 2020-05-20 · cs.CY · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FHL7PGUGUJ5JACM3PIBZWWRK62}

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	2026-07-05T01:23:12.831433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d7f79a86a27a90099b7a039b5a2af687c28903d5622391ebf23a591c7be898

Aliases

arxiv: 2005.10187 · arxiv_version: 2005.10187v2 · doi: 10.48550/arxiv.2005.10187 · pith_short_12: FHL7PGUGUJ5J · pith_short_16: FHL7PGUGUJ5JACM3 · pith_short_8: FHL7PGUG

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/FHL7PGUGUJ5JACM3PIBZWWRK62 \
  | 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: 29d7f79a86a27a90099b7a039b5a2af687c28903d5622391ebf23a591c7be898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a385b155db0ceced1ef0583f4c71a2cbac9d08019bb9872c6889d769f827805f",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-05-20T16:50:57Z",
    "title_canon_sha256": "ddafdf67743b26962955f09b4766407f8064b21babbf0c09595f5719279f783f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10187",
    "kind": "arxiv",
    "version": 2
  }
}