Pith Number

pith:EW5QFDTY

pith:2010:EW5QFDTY6AIMQMPBTRBRNLCNKZ

not attested not anchored not stored refs pending

Perfect transmission scattering as a PT-symmetric spectral problem

D. Krejcirik, H. Hernandez-Coronado, P. Siegl

arxiv:1011.4281 v1 · 2010-11-18 · math-ph · math.MP · quant-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{EW5QFDTY6AIMQMPBTRBRNLCNKZ}

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	2026-05-18T02:04:43.797771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25bb028e78f010c831e19c4316ac4d56774055a020df6898f2a1b0b945d684bd

Aliases

arxiv: 1011.4281 · arxiv_version: 1011.4281v1 · doi: 10.48550/arxiv.1011.4281 · pith_short_12: EW5QFDTY6AIM · pith_short_16: EW5QFDTY6AIMQMPB · pith_short_8: EW5QFDTY

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/EW5QFDTY6AIMQMPBTRBRNLCNKZ \
  | 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: 25bb028e78f010c831e19c4316ac4d56774055a020df6898f2a1b0b945d684bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f51e0fabac670c1b31c2d5994f4fe3d54fc41922a3fbe4780973e2f09af38f",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-11-18T20:41:27Z",
    "title_canon_sha256": "067277841c972c084bc1ad2565975eacbc480b14ddca9a3e8af94eba25e37226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4281",
    "kind": "arxiv",
    "version": 1
  }
}