Pith Number

pith:PPF4SY6D

pith:2009:PPF4SY6DQV4FYDTAGE236NGC2E

not attested not anchored not stored refs pending

Prospects for a mHz-linewidth laser

D. Meiser, D. R. Carlson, Jun Ye, M. J. Holland

arxiv:0901.3105 v2 · 2009-01-20 · quant-ph · 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{PPF4SY6DQV4FYDTAGE236NGC2E}

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	2026-05-18T02:14:56.602069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bcbc963c385785c0e603135bf34c2d11051783c763a6880774ebf989bc66236

Aliases

arxiv: 0901.3105 · arxiv_version: 0901.3105v2 · doi: 10.48550/arxiv.0901.3105 · pith_short_12: PPF4SY6DQV4F · pith_short_16: PPF4SY6DQV4FYDTA · pith_short_8: PPF4SY6D

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/PPF4SY6DQV4FYDTAGE236NGC2E \
  | 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: 7bcbc963c385785c0e603135bf34c2d11051783c763a6880774ebf989bc66236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97301a86fc6562cf739019e4bf7b819de42641798c86834f61904a785f4350bd",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-01-20T17:44:22Z",
    "title_canon_sha256": "697e277066c3558a564c9b64c233ea64971a5dc56c8aaa107770f8a12a6140f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3105",
    "kind": "arxiv",
    "version": 2
  }
}