Pith Number

pith:LKSPTE4O

pith:2008:LKSPTE4OSPZBVFATPJEODSMX6X

not attested not anchored not stored refs pending

A map from Lawson homology to Deligne Cohomology

Wenchuan Hu

arxiv:0810.0442 v2 · 2008-10-02 · math.AG · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKSPTE4OSPZBVFATPJEODSMX6X}

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	2026-07-04T15:53:10.473975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa4f9938e93f21a94137a48e1c997f5f71973991d2c07623ed62b57f14254b1

Aliases

arxiv: 0810.0442 · arxiv_version: 0810.0442v2 · doi: 10.48550/arxiv.0810.0442 · pith_short_12: LKSPTE4OSPZB · pith_short_16: LKSPTE4OSPZBVFAT · pith_short_8: LKSPTE4O

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/LKSPTE4OSPZBVFATPJEODSMX6X \
  | 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: 5aa4f9938e93f21a94137a48e1c997f5f71973991d2c07623ed62b57f14254b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6020e6bb04a55dd1ead6155283e8d0d32a924a296b18dc69631a6faea04cb8fb",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-10-02T15:23:09Z",
    "title_canon_sha256": "60e464fbb1f0a312c983404b38e838f702637db22971c51c60d5c8f585f52ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0442",
    "kind": "arxiv",
    "version": 2
  }
}