Pith Number

pith:HRGBNOOW

pith:2012:HRGBNOOWCIB6FMMQLQQWB5MT5N

not attested not anchored not stored refs pending

Harder-Narasimhan Filtrations which are not split by the Frobenius maps

Saurav Bhaumik, Vikram Mehta

arxiv:1204.1911 v1 · 2012-04-09 · 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{HRGBNOOWCIB6FMMQLQQWB5MT5N}

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	2026-05-18T03:58:14.745979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4c16b9d61203e2b1905c2160f593eb68bb835860accbdb727d55e0cd8c3191

Aliases

arxiv: 1204.1911 · arxiv_version: 1204.1911v1 · doi: 10.48550/arxiv.1204.1911 · pith_short_12: HRGBNOOWCIB6 · pith_short_16: HRGBNOOWCIB6FMMQ · pith_short_8: HRGBNOOW

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/HRGBNOOWCIB6FMMQLQQWB5MT5N \
  | 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: 3c4c16b9d61203e2b1905c2160f593eb68bb835860accbdb727d55e0cd8c3191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a61545b7a325369fd2b5f1f1c22b2276e42a0af4d97d3f43315e4e6b4c48567c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-04-09T16:01:35Z",
    "title_canon_sha256": "178fa977dc492413afd265c295cb55e26542b78398bfc069bcad29af31ce1660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1911",
    "kind": "arxiv",
    "version": 1
  }
}