Pith Number

pith:52BR6FGG

pith:2011:52BR6FGGOOCL74DNALNMNC44KY

not attested not anchored not stored refs pending

Boundary layers for self-similar viscous approximations of nonlinear hyperbolic systems

Cleopatra Christoforou, Laura V. Spinolo

arxiv:1106.5603 v1 · 2011-06-28 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52BR6FGGOOCL74DNALNMNC44KY}

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	2026-05-18T04:19:12.856932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee831f14c67384bff06d02dac68b9c563595838a23ce964be5e882e800a5d65c

Aliases

arxiv: 1106.5603 · arxiv_version: 1106.5603v1 · doi: 10.48550/arxiv.1106.5603 · pith_short_12: 52BR6FGGOOCL · pith_short_16: 52BR6FGGOOCL74DN · pith_short_8: 52BR6FGG

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/52BR6FGGOOCL74DNALNMNC44KY \
  | 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: ee831f14c67384bff06d02dac68b9c563595838a23ce964be5e882e800a5d65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "211cd85a67317909334874fb9cf74c96eb75426518d4c52e7594b8e582934f40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-06-28T09:33:24Z",
    "title_canon_sha256": "4248a2e15a58f589d206f351760def3af96c8b12b9de86444c984c02563421c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5603",
    "kind": "arxiv",
    "version": 1
  }
}