Pith Number

pith:TEG7R77X

pith:2013:TEG7R77XXOGQIE5NXFENPPETIT

not attested not anchored not stored refs pending

ACM bundles on cubic fourfolds containing a plane

Emanuele Macr\`i, Mart\'i Lahoz, Paolo Stellari

arxiv:1303.6998 v4 · 2013-03-27 · 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{TEG7R77XXOGQIE5NXFENPPETIT}

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	2026-05-18T00:30:09.843134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990df8fff7bb8d0413adb948d7bc9344c2a802ce3174f418e974d07755febc0e

Aliases

arxiv: 1303.6998 · arxiv_version: 1303.6998v4 · doi: 10.48550/arxiv.1303.6998 · pith_short_12: TEG7R77XXOGQ · pith_short_16: TEG7R77XXOGQIE5N · pith_short_8: TEG7R77X

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/TEG7R77XXOGQIE5NXFENPPETIT \
  | 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: 990df8fff7bb8d0413adb948d7bc9344c2a802ce3174f418e974d07755febc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c825fd3afb98da877ac4ebcbd77be610efddf812515dbfe96094d9f2737cc0eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-27T22:47:52Z",
    "title_canon_sha256": "bcfc11c3b2b3926bc2f3fe592fadab7ae43f4ff511be9840bd7932d078140fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6998",
    "kind": "arxiv",
    "version": 4
  }
}