Pith Number

pith:DSF7UD6K

pith:2012:DSF7UD6KL735AQQCU2SO45U4S6

not attested not anchored not stored refs pending

Parabolic - hyperbolic boundary layer

Monica De Angelis

arxiv:1207.2191 v1 · 2012-07-09 · math-ph · cond-mat.supr-con · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSF7UD6KL735AQQCU2SO45U4S6}

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	2026-05-18T03:51:24.763777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c8bfa0fca5ff7d04202a6a4ee769c97971b4067527e5d7baa7dc6ebce7af4de

Aliases

arxiv: 1207.2191 · arxiv_version: 1207.2191v1 · doi: 10.48550/arxiv.1207.2191 · pith_short_12: DSF7UD6KL735 · pith_short_16: DSF7UD6KL735AQQC · pith_short_8: DSF7UD6K

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/DSF7UD6KL735AQQCU2SO45U4S6 \
  | 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: 1c8bfa0fca5ff7d04202a6a4ee769c97971b4067527e5d7baa7dc6ebce7af4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7a082f056829958b4a304eab616d5ad8b47283c42925621533bdbb7ba13404",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-09T21:49:51Z",
    "title_canon_sha256": "7333bf5fc8c52fc10218adfab4c8efa6c1e9c95091daba9c62081f47e3d7fbab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2191",
    "kind": "arxiv",
    "version": 1
  }
}