Pith Number

pith:WCUBRTFV

pith:2011:WCUBRTFVJTV4K62ASDVHRKA6XR

not attested not anchored not stored refs pending

Singularities of symmetric hypersurfaces and an application to Reed-Solomon codes

Antonio Cafure, Guillermo Matera, Melina Privitelli

arxiv:1109.2265 v1 · 2011-09-10 · 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{WCUBRTFVJTV4K62ASDVHRKA6XR}

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	2026-05-18T04:13:38.162234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0a818ccb54cebc57b4090ea78a81ebc78838f8cb0fe9cb62b284d61865f8712

Aliases

arxiv: 1109.2265 · arxiv_version: 1109.2265v1 · doi: 10.48550/arxiv.1109.2265 · pith_short_12: WCUBRTFVJTV4 · pith_short_16: WCUBRTFVJTV4K62A · pith_short_8: WCUBRTFV

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/WCUBRTFVJTV4K62ASDVHRKA6XR \
  | 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: b0a818ccb54cebc57b4090ea78a81ebc78838f8cb0fe9cb62b284d61865f8712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2db9361d56eeec75e903e7badd198b4ce397e5de9bc3f636a745405d02e26a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-10T22:46:31Z",
    "title_canon_sha256": "efc366a9d8f9fe4cf234595da7eed5689e00b365de17b71112705ffa4eca36f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2265",
    "kind": "arxiv",
    "version": 1
  }
}