Pith Number

pith:Q5VFCZIK

pith:2010:Q5VFCZIK5PTHRBZJZNCAZU3SH3

not attested not anchored not stored refs pending

Higher Dimensional Homology Algebra V:Injective Resolutions and Derived 2-Functors in ($\cR$-2-Mod)

Fang Huang, Shao-Han Chen, Wei Chen, Zhu-Jun Zheng

arxiv:1008.4701 v1 · 2010-08-27 · math.CT · hep-th · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5VFCZIK5PTHRBZJZNCAZU3SH3}

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	2026-05-18T04:41:44.459076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876a51650aebe6788729cb440cd3723efccb88575a38a69463c70e8c48ae1f85

Aliases

arxiv: 1008.4701 · arxiv_version: 1008.4701v1 · doi: 10.48550/arxiv.1008.4701 · pith_short_12: Q5VFCZIK5PTH · pith_short_16: Q5VFCZIK5PTHRBZJ · pith_short_8: Q5VFCZIK

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/Q5VFCZIK5PTHRBZJZNCAZU3SH3 \
  | 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: 876a51650aebe6788729cb440cd3723efccb88575a38a69463c70e8c48ae1f85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e8016e22faccb6993761a46a325a91a3f8b2a10f5da2e7b06d36b9f4bacf1e4",
    "cross_cats_sorted": [
      "hep-th",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-08-27T12:33:32Z",
    "title_canon_sha256": "cb30db5de20582279413a78539bdfac8efc3b81a4880fdb1bef98e7779c464f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4701",
    "kind": "arxiv",
    "version": 1
  }
}