Pith Number

pith:QWFNPHMI

pith:1998:QWFNPHMIDKXF5TL3N5KLJ2VUFK

not attested not anchored not stored refs pending

On Torsion and Nieh-Yan Form

Han-Ying Guo, Ke Wu, Wei Zhang

arxiv:hep-th/9805037 v1 · 1998-05-07 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWFNPHMIDKXF5TL3N5KLJ2VUFK}

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	2026-05-18T00:25:46.124762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

858ad79d881aae5ecd7b6f54b4eab42a96b8b7b4bf896cdd0453e501cc2ebad4

Aliases

arxiv: hep-th/9805037 · arxiv_version: hep-th/9805037v1 · doi: 10.48550/arxiv.hep-th/9805037 · pith_short_12: QWFNPHMIDKXF · pith_short_16: QWFNPHMIDKXF5TL3 · pith_short_8: QWFNPHMI

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/QWFNPHMIDKXF5TL3N5KLJ2VUFK \
  | 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: 858ad79d881aae5ecd7b6f54b4eab42a96b8b7b4bf896cdd0453e501cc2ebad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33c796dbab872a10f78b96c86a62af66e2f1fcbc2060a9ab860d96467cbf35a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-05-07T11:38:48Z",
    "title_canon_sha256": "58406b9898a8b04b8a2b0149d73ec275eb4aaf75da8a99bd7c5b8a3f0ed6c2e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9805037",
    "kind": "arxiv",
    "version": 1
  }
}