Pith Number

pith:Q634SPPR

pith:2011:Q634SPPRTJIZF26IA7VYQE5RHN

not attested not anchored not stored refs pending

Numerical treatment of interfaces for second-order wave equations

F. Parisi, M. C\'ecere, M. Iriondo, O. Reula

arxiv:1112.3039 v2 · 2011-12-13 · physics.comp-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q634SPPRTJIZF26IA7VYQE5RHN}

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	2026-05-18T02:49:54.324403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b7c93df19a5192ebc807eb8813b13b41ec21e806ea1ae2ba715cb8d469cc95

Aliases

arxiv: 1112.3039 · arxiv_version: 1112.3039v2 · doi: 10.48550/arxiv.1112.3039 · pith_short_12: Q634SPPRTJIZ · pith_short_16: Q634SPPRTJIZF26I · pith_short_8: Q634SPPR

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/Q634SPPRTJIZF26IA7VYQE5RHN \
  | 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: 87b7c93df19a5192ebc807eb8813b13b41ec21e806ea1ae2ba715cb8d469cc95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba8b7e39d8baef2e8ed004b1d4e7d5cea3b8949de06008b1d75f56cc6aab8ea",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2011-12-13T21:00:04Z",
    "title_canon_sha256": "b0068c9e7b521b6b5a8113d09eeeb85f44bbe511d7f7999f8871afc5fbcb0e3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3039",
    "kind": "arxiv",
    "version": 2
  }
}