Pith Number

pith:EWEN2EFD

pith:2013:EWEN2EFDC7J3XW3KSGTGY5HA7C

not attested not anchored not stored refs pending

Blackbody excess in persistent Be pulsars

2), (2) IUSS Pavia, A. Tiengo (1, Italy, Italy), L. Sidoli (1), N. La Palombara (1), P. Esposito (1) ((1) INAF/IASF Milano, S. Mereghetti (1)

arxiv:1301.5120 v1 · 2013-01-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWEN2EFDC7J3XW3KSGTGY5HA7C}

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	2026-05-18T03:35:52.963010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2588dd10a317d3bbdb6a91a66c74e0f8ad8d353b3d1c879c17ae91bd26eab777

Aliases

arxiv: 1301.5120 · arxiv_version: 1301.5120v1 · doi: 10.48550/arxiv.1301.5120 · pith_short_12: EWEN2EFDC7J3 · pith_short_16: EWEN2EFDC7J3XW3K · pith_short_8: EWEN2EFD

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/EWEN2EFDC7J3XW3KSGTGY5HA7C \
  | 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: 2588dd10a317d3bbdb6a91a66c74e0f8ad8d353b3d1c879c17ae91bd26eab777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d807bbbe003dcd6aee7229d3db92b8c07751eee407bad8f5e6bd861ecb62505",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-22T09:46:19Z",
    "title_canon_sha256": "4af973c0c2e91c9e457c00e1d7fb8bd163e350ae38ae6c54361daa873da1d755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5120",
    "kind": "arxiv",
    "version": 1
  }
}