Pith Number

pith:Q7U5L5DW

pith:2001:Q7U5L5DWJPRKAERDAKSU4KG74C

not attested not anchored not stored refs pending

Symmetry aspects of fermions coupled to torsion and electromagnetic fields

C.A.G. Sasaki, J.L. Boldo

arxiv:hep-th/0111065 v2 · 2001-11-07 · 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{Q7U5L5DWJPRKAERDAKSU4KG74C}

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	2026-05-18T04:33:04.937150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e9d5f4764be2a0122302a54e28dfe0947a4bc479da33d5076dc3d80856c9db

Aliases

arxiv: hep-th/0111065 · arxiv_version: hep-th/0111065v2 · doi: 10.48550/arxiv.hep-th/0111065 · pith_short_12: Q7U5L5DWJPRK · pith_short_16: Q7U5L5DWJPRKAERD · pith_short_8: Q7U5L5DW

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/Q7U5L5DWJPRKAERDAKSU4KG74C \
  | 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: 87e9d5f4764be2a0122302a54e28dfe0947a4bc479da33d5076dc3d80856c9db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b696587720b045372c5bef3169e1a557f53079126e5304346b2f05fadbe374cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-11-07T16:26:13Z",
    "title_canon_sha256": "4d21c07ab7db1796df05fee1b5ef64e1101bb2f8528a0fffa71df7257de2bcd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0111065",
    "kind": "arxiv",
    "version": 2
  }
}