Pith Number

pith:IBGUBFW4

pith:2011:IBGUBFW4OU5PBK2E4YODIN6WFG

not attested not anchored not stored refs pending

Cohomological support loci of varieties of Albanese fiber dimension one

Hao Sun, Zhi Jiang

arxiv:1109.2448 v3 · 2011-09-12 · 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{IBGUBFW4OU5PBK2E4YODIN6WFG}

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	2026-05-18T03:37:19.117196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

404d4096dc753af0ab44e61c3437d62986889cd5515bbf082771a5d251abdf96

Aliases

arxiv: 1109.2448 · arxiv_version: 1109.2448v3 · doi: 10.48550/arxiv.1109.2448 · pith_short_12: IBGUBFW4OU5P · pith_short_16: IBGUBFW4OU5PBK2E · pith_short_8: IBGUBFW4

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/IBGUBFW4OU5PBK2E4YODIN6WFG \
  | 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: 404d4096dc753af0ab44e61c3437d62986889cd5515bbf082771a5d251abdf96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21de3927dd53b54f114ff26560e27fc9bcb0e19060ecf2412aa441b24872fd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-12T12:51:06Z",
    "title_canon_sha256": "9f9d40d5d5baf07e6945072cc5b29be36a2f6989a013b5ebc4410ad87cc4bc9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2448",
    "kind": "arxiv",
    "version": 3
  }
}