Pith Number

pith:NZFNP26P

pith:2008:NZFNP26PTOSKSZLURKYRB4LS75

not attested not anchored not stored refs pending

Moduli spaces of framed instanton sheaves on projective spaces

Marcos Jardim

arxiv:0801.2550 v4 · 2008-01-16 · 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{NZFNP26PTOSKSZLURKYRB4LS75}

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	2026-05-18T03:45:21.496227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4ad7ebcf9ba4a965748ab110f172ff63da374da2bd3061aec0f970f33bfc34

Aliases

arxiv: 0801.2550 · arxiv_version: 0801.2550v4 · doi: 10.48550/arxiv.0801.2550 · pith_short_12: NZFNP26PTOSK · pith_short_16: NZFNP26PTOSKSZLU · pith_short_8: NZFNP26P

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/NZFNP26PTOSKSZLURKYRB4LS75 \
  | 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: 6e4ad7ebcf9ba4a965748ab110f172ff63da374da2bd3061aec0f970f33bfc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f458f39b71d6f686b9ba9f59730eb4d7faf925b8e48329cd8c2ecc35f5ece8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2008-01-16T18:54:44Z",
    "title_canon_sha256": "a224feba6a48622872e265cba4a21bdbbf9abfb3ba7ffea12e9d2bb1154548f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2550",
    "kind": "arxiv",
    "version": 4
  }
}