Pith Number

pith:EKEQIHCV

pith:2012:EKEQIHCVNOE7EQTZ6YMACWRDUM

not attested not anchored not stored refs pending

On globally generated vector bundles on projective spaces II

Jos\'e Carlos Sierra, Luca Ugaglia

arxiv:1203.0185 v2 · 2012-03-01 · 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{EKEQIHCVNOE7EQTZ6YMACWRDUM}

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	2026-05-18T03:17:25.059103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2289041c556b89f24279f618015a23a30e64b3a5dbdb760eada22347440938b2

Aliases

arxiv: 1203.0185 · arxiv_version: 1203.0185v2 · doi: 10.48550/arxiv.1203.0185 · pith_short_12: EKEQIHCVNOE7 · pith_short_16: EKEQIHCVNOE7EQTZ · pith_short_8: EKEQIHCV

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/EKEQIHCVNOE7EQTZ6YMACWRDUM \
  | 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: 2289041c556b89f24279f618015a23a30e64b3a5dbdb760eada22347440938b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f00274faf7a253d826c53f44b6de97f9d52ccd9a5038866163d8b173adcb2cd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-01T13:55:35Z",
    "title_canon_sha256": "29db3ffe07f272ad5f63f9332fb482394a33c97f2d9a7d3102aee9d278a5295c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0185",
    "kind": "arxiv",
    "version": 2
  }
}