Pith Number

pith:BKDO2A4J

pith:2010:BKDO2A4J2NWAT4UTZS7BQDXYZ6

not attested not anchored not stored refs pending

Energy-Dependent Harmonic Ratios of the Cyclotron Features of X0331+53 in the 2004-2005 Outburst

2), (2) Cosmic Radiation, 3) ((1) School of Dentistry at Matsudo, (3) Department of Physics, Kazuo. Makishima (2, Motoki. Nakajima (1, Nihon University, RIKEN, Tatehiro. Mihara (2), University of Tokyo)

arxiv:1001.1612 v1 · 2010-01-11 · 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{BKDO2A4J2NWAT4UTZS7BQDXYZ6}

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	2026-05-18T02:10:03.189773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a86ed0389d36c09f293ccbe180ef8cfad548db3f5bd0770d8edc23c0f5813d2

Aliases

arxiv: 1001.1612 · arxiv_version: 1001.1612v1 · doi: 10.48550/arxiv.1001.1612 · pith_short_12: BKDO2A4J2NWA · pith_short_16: BKDO2A4J2NWAT4UT · pith_short_8: BKDO2A4J

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/BKDO2A4J2NWAT4UTZS7BQDXYZ6 \
  | 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: 0a86ed0389d36c09f293ccbe180ef8cfad548db3f5bd0770d8edc23c0f5813d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1229573382ad650a95da8ae6a421cf10d10aedccf2e67579a60f1ac5ca80482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-01-11T09:35:41Z",
    "title_canon_sha256": "5a788869240af88bd81ded8995a7a22b534486db68dfc2be2f9d40690161bcc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1612",
    "kind": "arxiv",
    "version": 1
  }
}