Pith Number

pith:ZL4K6BRL

pith:1993:ZL4K6BRL73BJCIAEOQDPUT3V4L

not attested not anchored not stored refs pending

Geometry and W-Gravity

C.M. Hull

arxiv:hep-th/9301074 v1 · 1993-01-15 · 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{ZL4K6BRL73BJCIAEOQDPUT3V4L}

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	2026-05-18T01:06:05.032823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf8af062bfec29120047406fa4f75e2eb17c40f275c24a81c2187f70a19d066

Aliases

arxiv: hep-th/9301074 · arxiv_version: hep-th/9301074v1 · doi: 10.48550/arxiv.hep-th/9301074 · pith_short_12: ZL4K6BRL73BJ · pith_short_16: ZL4K6BRL73BJCIAE · pith_short_8: ZL4K6BRL

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/ZL4K6BRL73BJCIAEOQDPUT3V4L \
  | 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: caf8af062bfec29120047406fa4f75e2eb17c40f275c24a81c2187f70a19d066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d139730e61d98cb5648e414e0cdac0ea4ab14f1f76e415cbbe1d8393739ff426",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-01-15T14:05:53Z",
    "title_canon_sha256": "c9be089bf5009fc366ba82188f41ea3e172f205dae6330bd5d5844b6e5ec07ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9301074",
    "kind": "arxiv",
    "version": 1
  }
}