Pith Number

pith:HHMTR2KI

pith:2004:HHMTR2KIAH6RLWBU7OHBC7LMLU

not attested not anchored not stored refs pending

Pair production in a strong magnetic field: the effect of a strong background gravitational field

Antonino Di Piazza, Giorgio Calucci (Dipartimento di Fisica Teorica dell'Universita' di Trieste, INFN, Italy), Sezione di Trieste

arxiv:hep-ph/0406251 v3 · 2004-06-23 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHMTR2KIAH6RLWBU7OHBC7LMLU}

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	2026-05-18T00:09:20.687666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d938e94801fd15d834fb8e117d6c5d31142dad7eccf4d1cdc7aba5368c13c6

Aliases

arxiv: hep-ph/0406251 · arxiv_version: hep-ph/0406251v3 · doi: 10.48550/arxiv.hep-ph/0406251 · pith_short_12: HHMTR2KIAH6R · pith_short_16: HHMTR2KIAH6RLWBU · pith_short_8: HHMTR2KI

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/HHMTR2KIAH6RLWBU7OHBC7LMLU \
  | 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: 39d938e94801fd15d834fb8e117d6c5d31142dad7eccf4d1cdc7aba5368c13c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e56b95df7f94bea77689af5f7b2df4d4e7f5577c204c668a80f29121e64b60",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2004-06-23T09:57:01Z",
    "title_canon_sha256": "9d128a05dfb4f25e0b32365052d32ada21874a55ae83ae8fc738d1678b031d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0406251",
    "kind": "arxiv",
    "version": 3
  }
}