Pith Number

pith:FETQAAMV

pith:2010:FETQAAMVQXYAJ5VQWURDT7HLDA

not attested not anchored not stored refs pending

Instability of Truncated Symmetric Powers of sheaves

Fei Yu, Lingguang Li

arxiv:1010.4228 v3 · 2010-10-20 · 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{FETQAAMVQXYAJ5VQWURDT7HLDA}

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	2026-05-18T04:05:27.738393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292700019585f004f6b0b52239fceb180ac3b0f9c6afc0c48f962acf19c9fca3

Aliases

arxiv: 1010.4228 · arxiv_version: 1010.4228v3 · doi: 10.48550/arxiv.1010.4228 · pith_short_12: FETQAAMVQXYA · pith_short_16: FETQAAMVQXYAJ5VQ · pith_short_8: FETQAAMV

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/FETQAAMVQXYAJ5VQWURDT7HLDA \
  | 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: 292700019585f004f6b0b52239fceb180ac3b0f9c6afc0c48f962acf19c9fca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013d7ce29d8aacef05cafb12e7df61cab0c479918880378a52e37a28e50b270d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-20T15:22:05Z",
    "title_canon_sha256": "c6982df7698b77b95df85aedb260933a4d56ddb197f1a4cd0e2e7e9bd4edbd34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4228",
    "kind": "arxiv",
    "version": 3
  }
}