Pith Number

pith:EE2I3BZC

pith:2018:EE2I3BZCN3YHICJMB2IKH4AXBN

not attested not anchored not stored refs pending

Derived invariants arising from the Albanese map

Federico Caucci, Giuseppe Pareschi

arxiv:1807.09854 v2 · 2018-07-25 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EE2I3BZCN3YHICJMB2IKH4AXBN}

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	2026-05-17T23:58:13.996233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21348d87226ef074092c0e90a3f0170b7dd8f4f2a27ae31e82939bce100f37f6

Aliases

arxiv: 1807.09854 · arxiv_version: 1807.09854v2 · doi: 10.48550/arxiv.1807.09854 · pith_short_12: EE2I3BZCN3YH · pith_short_16: EE2I3BZCN3YHICJM · pith_short_8: EE2I3BZC

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/EE2I3BZCN3YHICJMB2IKH4AXBN \
  | 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: 21348d87226ef074092c0e90a3f0170b7dd8f4f2a27ae31e82939bce100f37f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2cfce663893c4301d4db8994fd7796ba3aad4614f8775d0ff1c3bbfa01b03e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-07-25T20:57:02Z",
    "title_canon_sha256": "927000acaebc146a984869b7fe8bb0aa43ddbe337e26d34b398c66eb794d2977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09854",
    "kind": "arxiv",
    "version": 2
  }
}