Pith Number

pith:M2GSPBVV

pith:2012:M2GSPBVVI65PLWUHKKKXQ4YZDI

not attested not anchored not stored refs pending

ADHM construction of perverse instanton sheaves

Abdelmoubine Amar Henni, Marcos Jardim, Renato Vidal Martins

arxiv:1201.5657 v1 · 2012-01-26 · 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{M2GSPBVVI65PLWUHKKKXQ4YZDI}

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	2026-05-18T01:35:57.729416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668d2786b547baf5da8752957873191a12f75110a4ac7dfc7dfe460ddc5ad08d

Aliases

arxiv: 1201.5657 · arxiv_version: 1201.5657v1 · doi: 10.48550/arxiv.1201.5657 · pith_short_12: M2GSPBVVI65P · pith_short_16: M2GSPBVVI65PLWUH · pith_short_8: M2GSPBVV

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/M2GSPBVVI65PLWUHKKKXQ4YZDI \
  | 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: 668d2786b547baf5da8752957873191a12f75110a4ac7dfc7dfe460ddc5ad08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed19f262d42fbab7efe5e247e9e2eafee2c1125e649895b1dbce0d3789ba2cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-26T21:41:10Z",
    "title_canon_sha256": "e0d179c4e4a447e9d7520447a564c10a0853411bd159549bb27f7ff93d8dac1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5657",
    "kind": "arxiv",
    "version": 1
  }
}