Pith Number

pith:AU7IP6WF

pith:2012:AU7IP6WFRZRCZ7NWLXHWD4YVDM

not attested not anchored not stored refs pending

Matter-positronium interaction: An exact diagonalization study of the He atom - positronium system

A. Zubiaga, F. Tuomisto, M. J. Puska

arxiv:1202.6477 v1 · 2012-02-29 · physics.atm-clus · cond-mat.mes-hall · cond-mat.mtrl-sci · 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{AU7IP6WFRZRCZ7NWLXHWD4YVDM}

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	2026-05-18T03:22:17.520496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

053e87fac58e622cfdb65dcf61f3151b151d76d875cca454f91f61a2687d0ac9

Aliases

arxiv: 1202.6477 · arxiv_version: 1202.6477v1 · doi: 10.48550/arxiv.1202.6477 · pith_short_12: AU7IP6WFRZRC · pith_short_16: AU7IP6WFRZRCZ7NW · pith_short_8: AU7IP6WF

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/AU7IP6WFRZRCZ7NWLXHWD4YVDM \
  | 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: 053e87fac58e622cfdb65dcf61f3151b151d76d875cca454f91f61a2687d0ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1497cd49ccde1233c5d613bf70f10a99939dc5dead0df76c37173084f94ee31",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atm-clus",
    "submitted_at": "2012-02-29T08:03:47Z",
    "title_canon_sha256": "d83bd8f3eb7f9597647cfc079baf78cf4a25d892d5cc7d5bb6140ba1c517617d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6477",
    "kind": "arxiv",
    "version": 1
  }
}