Pith Number

pith:UHCGSJPK

pith:2010:UHCGSJPKSCUVOWHVJESTR3HIJ4

not attested not anchored not stored refs pending

Higher Dimensional Homology Algebra III:Projective Resolutions and Derived 2-Functors in (2-SGp)

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

arxiv:1007.1555 v2 · 2010-07-09 · math.CT · hep-th · math-ph · math.KT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHCGSJPKSCUVOWHVJESTR3HIJ4}

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	2026-05-18T04:42:02.491614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c46925ea90a95758f5492538ece84f19db7ce220a0d552f8ef1f34bdf329a4

Aliases

arxiv: 1007.1555 · arxiv_version: 1007.1555v2 · doi: 10.48550/arxiv.1007.1555 · pith_short_12: UHCGSJPKSCUV · pith_short_16: UHCGSJPKSCUVOWHV · pith_short_8: UHCGSJPK

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/UHCGSJPKSCUVOWHVJESTR3HIJ4 \
  | 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: a1c46925ea90a95758f5492538ece84f19db7ce220a0d552f8ef1f34bdf329a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903bca7d8059fc772089d6228ec18395e071eacf5629a73abe74c06aa109513b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.KT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-07-09T10:48:39Z",
    "title_canon_sha256": "a27ae1621ac9256419f4144c00b0a6b1133eae8318f201cf4245f69c9ac27f7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1555",
    "kind": "arxiv",
    "version": 2
  }
}