Pith Number

pith:3EDUBOC7

pith:2007:3EDUBOC7LTSHUQWQQF7ACZJZZX

not attested not anchored not stored refs pending

Can magnetic monopoles and massive photons coexist in the framework of the same classical theory?

C. Cafaro, Ch. Corda, S.A. Ali, S. Capozziello

arxiv:hep-th/0701219 v2 · 2007-01-23 · 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{3EDUBOC7LTSHUQWQQF7ACZJZZX}

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	2026-05-18T04:22:49.108800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90740b85f5ce47a42d0817e016539cdd7c4d11052812e883025bfac0c0075c5

Aliases

arxiv: hep-th/0701219 · arxiv_version: hep-th/0701219v2 · doi: 10.48550/arxiv.hep-th/0701219 · pith_short_12: 3EDUBOC7LTSH · pith_short_16: 3EDUBOC7LTSHUQWQ · pith_short_8: 3EDUBOC7

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/3EDUBOC7LTSHUQWQQF7ACZJZZX \
  | 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: d90740b85f5ce47a42d0817e016539cdd7c4d11052812e883025bfac0c0075c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5429382f0ea71bc2aa88d8e835155cb8885b1f5fcb21a1de2d50b595e3da60ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2007-01-23T16:00:42Z",
    "title_canon_sha256": "f39c27777778a8921e4bc9328635ed3f7a8f1cb611e6ea8fca6c5ba40964275c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0701219",
    "kind": "arxiv",
    "version": 2
  }
}