Pith Number

pith:R47MEZ2S

pith:2013:R47MEZ2SENHEVPP4WLSFCEGWQP

not attested not anchored not stored refs pending

Hartree-Fock calculations for the photoionisation of helium and helium-like ions in neutron star magnetic fields

Damir Zajec, G\"unter Wunner, Peter Diemand, Thorsten Kersting

arxiv:1305.3454 v2 · 2013-05-15 · physics.atom-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{R47MEZ2SENHEVPP4WLSFCEGWQP}

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	2026-05-18T03:16:38.287727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3ec26752234e4abdfcb2e45110d683f745ae5e6fcb6812c5e8c2659dad19e3

Aliases

arxiv: 1305.3454 · arxiv_version: 1305.3454v2 · doi: 10.48550/arxiv.1305.3454 · pith_short_12: R47MEZ2SENHE · pith_short_16: R47MEZ2SENHEVPP4 · pith_short_8: R47MEZ2S

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/R47MEZ2SENHEVPP4WLSFCEGWQP \
  | 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: 8f3ec26752234e4abdfcb2e45110d683f745ae5e6fcb6812c5e8c2659dad19e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8071832a086f33a7bfdd54ea0f9539596c6451964e00119806ccce26a28f805",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-05-15T13:05:13Z",
    "title_canon_sha256": "61f735b9cf34b62c3d4706fec1dab930b3eeef1b369613835bcea92ff6131892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3454",
    "kind": "arxiv",
    "version": 2
  }
}