Pith Number

pith:GX4UX2KB

pith:2011:GX4UX2KBLAFBTPAEUEFDC4K3HI

not attested not anchored not stored refs pending

Spectral Singularities of a General Point Interaction

Ali Mostafazadeh

arxiv:1107.1875 v1 · 2011-07-10 · 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{GX4UX2KBLAFBTPAEUEFDC4K3HI}

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	2026-05-18T04:10:56.559806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35f94be941580a19bc04a10a31715b3a2ef50269f440e72773f2b3344330afe8

Aliases

arxiv: 1107.1875 · arxiv_version: 1107.1875v1 · doi: 10.48550/arxiv.1107.1875 · pith_short_12: GX4UX2KBLAFB · pith_short_16: GX4UX2KBLAFBTPAE · pith_short_8: GX4UX2KB

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/GX4UX2KBLAFBTPAEUEFDC4K3HI \
  | 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: 35f94be941580a19bc04a10a31715b3a2ef50269f440e72773f2b3344330afe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79032c3168866850c91ee322c8fd875c9e14b37213e8464eeabf3c721cd2bb1c",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-07-10T16:33:09Z",
    "title_canon_sha256": "4b46eae07fa849146406e1cc0dbc8c5ee60a26125a057002752b7a67c20ee538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1875",
    "kind": "arxiv",
    "version": 1
  }
}