Pith Number

pith:HYEBBAML

pith:2013:HYEBBAMLELGKSZF65CCFG4IOGC

not attested not anchored not stored refs pending

Spectral Singularity in confined PT symmetric optical potential

Anjana Sinha, R. Roychoudhury

arxiv:1307.1844 v2 · 2013-07-07 · quant-ph · math-ph · math.MP · 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{HYEBBAMLELGKSZF65CCFG4IOGC}

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	2026-05-18T01:48:59.039591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e0810818b22cca964bee88453710e30836bf0af23ea0478388eba636f975420

Aliases

arxiv: 1307.1844 · arxiv_version: 1307.1844v2 · doi: 10.48550/arxiv.1307.1844 · pith_short_12: HYEBBAMLELGK · pith_short_16: HYEBBAMLELGKSZF6 · pith_short_8: HYEBBAML

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/HYEBBAMLELGKSZF65CCFG4IOGC \
  | 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: 3e0810818b22cca964bee88453710e30836bf0af23ea0478388eba636f975420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f2e1c24930410ebac8273b2ccb481d94e09efb16fbfcef40962b93c5e6918fe",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-07T10:00:47Z",
    "title_canon_sha256": "bd86701d49d41e423a4f9b1829945cf700e36f7fe4815dac0b5256dc8d7fbd19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1844",
    "kind": "arxiv",
    "version": 2
  }
}