Pith Number

pith:DTZY2DAU

pith:2009:DTZY2DAUBJFDOJOMSZYAD4VB46

not attested not anchored not stored refs pending

Comment on "Solutions of the Duffin-Kemmer-Petiau equation for a pseudoscalar potential step in (1+1) dimensions

A.S. de Castro, L.B. Castro, T.R. Cardoso

arxiv:0904.2209 v1 · 2009-04-14 · hep-th · quant-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{DTZY2DAUBJFDOJOMSZYAD4VB46}

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	2026-05-18T02:14:00.438367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf38d0c140a4a3725cc967001f2a1e7bf6352161323adefa232c9a26f2aa606

Aliases

arxiv: 0904.2209 · arxiv_version: 0904.2209v1 · doi: 10.48550/arxiv.0904.2209 · pith_short_12: DTZY2DAUBJFD · pith_short_16: DTZY2DAUBJFDOJOM · pith_short_8: DTZY2DAU

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/DTZY2DAUBJFDOJOMSZYAD4VB46 \
  | 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: 1cf38d0c140a4a3725cc967001f2a1e7bf6352161323adefa232c9a26f2aa606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04474acf0a3c4fb88f4274d76542c44f66b2ca7742a372cd84605538c9fa0c88",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-14T21:35:16Z",
    "title_canon_sha256": "9ae8190a2332d977052e836a0e2364579bef03cce2a4f5a15a9baac719d2ccf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2209",
    "kind": "arxiv",
    "version": 1
  }
}