Pith Number

pith:SSEHEAHP

pith:2012:SSEHEAHPI6YSVV5WOYKZDBDJHM

not attested not anchored not stored refs pending

The dual geometry of Hermitian two-point codes

Alberto Ravagnani, Edoardo Ballico

arxiv:1202.2453 v5 · 2012-02-11 · 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{SSEHEAHPI6YSVV5WOYKZDBDJHM}

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	2026-05-18T03:14:26.999846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94887200ef47b12ad7b676159184693b3f58da235bb8a6efe8b3caf37f29fd0a

Aliases

arxiv: 1202.2453 · arxiv_version: 1202.2453v5 · doi: 10.48550/arxiv.1202.2453 · pith_short_12: SSEHEAHPI6YS · pith_short_16: SSEHEAHPI6YSVV5W · pith_short_8: SSEHEAHP

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/SSEHEAHPI6YSVV5WOYKZDBDJHM \
  | 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: 94887200ef47b12ad7b676159184693b3f58da235bb8a6efe8b3caf37f29fd0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7258a095e24c3693c027643f66ecddd66a4c2bfffc677fddfa75965bf57f82e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-02-11T17:29:51Z",
    "title_canon_sha256": "1c4e7fbee1c6cfed07bb738e9ff8f5e41fcb812e34f6092018ce66a3cdf5b6ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2453",
    "kind": "arxiv",
    "version": 5
  }
}