Pith Number

pith:IFX2FTFN

pith:2009:IFX2FTFN6GJDAHY3WOUSGGMOZX

not attested not anchored not stored refs pending

One- and two-photon ionization cross sections of the laser excited 6s6p^1P_1 state of barium

Chris H. Greene, Daniel J. Haxton, Daniel S. Elliott, John R. Tolsma, Rekishu Yamazaki

arxiv:0906.1638 v1 · 2009-06-09 · 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{IFX2FTFN6GJDAHY3WOUSGGMOZX}

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	2026-05-18T02:13:21.395924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416fa2ccadf192301f1bb3a923198ecdd22d3c55d2199abfbf6576d402815541

Aliases

arxiv: 0906.1638 · arxiv_version: 0906.1638v1 · doi: 10.48550/arxiv.0906.1638 · pith_short_12: IFX2FTFN6GJD · pith_short_16: IFX2FTFN6GJDAHY3 · pith_short_8: IFX2FTFN

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/IFX2FTFN6GJDAHY3WOUSGGMOZX \
  | 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: 416fa2ccadf192301f1bb3a923198ecdd22d3c55d2199abfbf6576d402815541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afb9e38d73b1934b5dee39e78e9667e077d6ae1ebbc0de2552dcd0b4cc76226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-06-09T05:21:25Z",
    "title_canon_sha256": "68a5646e4a64ac39fae066573567967a11a29e901f3d568aaeb13f8d02de82b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1638",
    "kind": "arxiv",
    "version": 1
  }
}