Pith Number

pith:NUF7IMTH

pith:2004:NUF7IMTH7QGQVZMUODRKL4UPYB

not attested not anchored not stored refs pending

A Weyl-covariant tensor calculus

Nicolas Boulanger

arxiv:hep-th/0412314 v2 · 2004-12-28 · 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{NUF7IMTH7QGQVZMUODRKL4UPYB}

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	2026-07-04T16:49:08.795169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0bf43267fc0d0ae59470e2a5f28fc07934f4bba2af8d5463cd9c4b150c24ee

Aliases

arxiv: hep-th/0412314 · arxiv_version: hep-th/0412314v2 · doi: 10.48550/arxiv.hep-th/0412314 · pith_short_12: NUF7IMTH7QGQ · pith_short_16: NUF7IMTH7QGQVZMU · pith_short_8: NUF7IMTH

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/NUF7IMTH7QGQVZMUODRKL4UPYB \
  | 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: 6d0bf43267fc0d0ae59470e2a5f28fc07934f4bba2af8d5463cd9c4b150c24ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b038f36c2f122ca795a705e11b21e50bf8f03e5e41a1b97cb9b2ce2c89b8aa5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-12-28T22:04:50Z",
    "title_canon_sha256": "d925623f78760ac541a7762ecb431b7ce6a88f660fa2ca51307ce150386e0613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0412314",
    "kind": "arxiv",
    "version": 2
  }
}