Pith Number

pith:J6WGTG2U

pith:2009:J6WGTG2UWAPGVHRXYUSYXQOD77

not attested not anchored not stored refs pending

High-resolution Resonance Bragg-scattering spectroscopy of an atomic transition from a population difference grating in a vapor cell

Changde Xie, Chunhong Zhang, Hai Wang*, Kunchi Peng, Shujing Li, Xudong Yang

arxiv:0904.4634 v1 · 2009-04-29 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6WGTG2UWAPGVHRXYUSYXQOD77}

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	2026-05-18T02:13:49.147288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fac699b54b01e6a9e37c5258bc1c3ffcc9ea3d932b418b02df6c9711ed635ef

Aliases

arxiv: 0904.4634 · arxiv_version: 0904.4634v1 · doi: 10.48550/arxiv.0904.4634 · pith_short_12: J6WGTG2UWAPG · pith_short_16: J6WGTG2UWAPGVHRX · pith_short_8: J6WGTG2U

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/J6WGTG2UWAPGVHRXYUSYXQOD77 \
  | 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: 4fac699b54b01e6a9e37c5258bc1c3ffcc9ea3d932b418b02df6c9711ed635ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b9d3b0a31c5fd186809247612aee18842ac8e666349bef060ac5c9ab9d2435",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-04-29T15:06:08Z",
    "title_canon_sha256": "988d24c839a61045064e268b53b0081b0ca4bbae10b1cc787c3a9e51ecf990ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4634",
    "kind": "arxiv",
    "version": 1
  }
}