Pith Number

pith:BILGHUQ2

pith:2009:BILGHUQ2D7KQWBP2FCLFSC7MHT

not attested not anchored not stored refs pending

Two-Photon Dichroic Atomic Vapor Laser Lock Using Electromagnetically Induced Transparency and Absorption

F. E. Becerra, L. A. Orozco, R. T. Willis, S. L. Rolston

arxiv:0901.2960 v2 · 2009-01-19 · physics.optics · 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{BILGHUQ2D7KQWBP2FCLFSC7MHT}

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	2026-05-18T02:14:56.726417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1663d21a1fd50b05fa2896590bec3cf7281a4c6d36be16e9d7c7a0caa0f934

Aliases

arxiv: 0901.2960 · arxiv_version: 0901.2960v2 · doi: 10.48550/arxiv.0901.2960 · pith_short_12: BILGHUQ2D7KQ · pith_short_16: BILGHUQ2D7KQWBP2 · pith_short_8: BILGHUQ2

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/BILGHUQ2D7KQWBP2FCLFSC7MHT \
  | 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: 0a1663d21a1fd50b05fa2896590bec3cf7281a4c6d36be16e9d7c7a0caa0f934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41c9eb3dc8d5569637a582530e3d1674202cf2956bdbf2b56fe85c8a63513113",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-01-19T23:59:00Z",
    "title_canon_sha256": "85f5a75190ca657bbd527eae52cdfa2d7aa0ad7a0f2be35d92df22dab378ae37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2960",
    "kind": "arxiv",
    "version": 2
  }
}