Pith Number

pith:SHX5H4O6

pith:2014:SHX5H4O6OO5TA6CKVXUJROFQK6

not attested not anchored not stored refs pending

Singular locus of instanton sheaves on $\mathbb{P}^3$

Marcos Jardim, Michael Gargate

arxiv:1407.0897 v1 · 2014-07-03 · 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{SHX5H4O6OO5TA6CKVXUJROFQK6}

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	2026-05-18T00:57:42.819520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91efd3f1de73bb30784aade898b8b0578d50e58e4681224189b25c94f91ea91c

Aliases

arxiv: 1407.0897 · arxiv_version: 1407.0897v1 · doi: 10.48550/arxiv.1407.0897 · pith_short_12: SHX5H4O6OO5T · pith_short_16: SHX5H4O6OO5TA6CK · pith_short_8: SHX5H4O6

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/SHX5H4O6OO5TA6CKVXUJROFQK6 \
  | 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: 91efd3f1de73bb30784aade898b8b0578d50e58e4681224189b25c94f91ea91c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd578dc3abd1340c86f346f71fe037156ab7e15150e238a72b6c7f11f52d3b8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-03T12:51:48Z",
    "title_canon_sha256": "0f5460f1e8245dc031a768dd4269e744d9370b967e84716de1ec689d57fef20e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0897",
    "kind": "arxiv",
    "version": 1
  }
}