Pith Number

pith:64R5TB6Z

pith:2011:64R5TB6ZILA3XRRF6FKUCIJLJQ

not attested not anchored not stored refs pending

Observations of photon echo enhancement in an ultraslow light regime

B. S. Ham, J. Hahn

arxiv:1103.0104 v1 · 2011-03-01 · quant-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{64R5TB6ZILA3XRRF6FKUCIJLJQ}

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	2026-05-18T04:27:37.353932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f723d987d942c1bbc625f15541212b4c2c4e4580fc6a689d53c60b816937f8de

Aliases

arxiv: 1103.0104 · arxiv_version: 1103.0104v1 · doi: 10.48550/arxiv.1103.0104 · pith_short_12: 64R5TB6ZILA3 · pith_short_16: 64R5TB6ZILA3XRRF · pith_short_8: 64R5TB6Z

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/64R5TB6ZILA3XRRF6FKUCIJLJQ \
  | 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: f723d987d942c1bbc625f15541212b4c2c4e4580fc6a689d53c60b816937f8de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7217600e8343a0606ea431f043af1377a60f279d7339829f96f2cb99f010e026",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-01T08:31:35Z",
    "title_canon_sha256": "1e394873e75da232e3b58d0ceaebd88b8c70f7ad43b6e6370038a3e37f39380d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0104",
    "kind": "arxiv",
    "version": 1
  }
}