Pith Number

pith:QCODRDMS

pith:2011:QCODRDMSLNNXGUWIF75T34P4OB

not attested not anchored not stored refs pending

CIP methods for hyperbolic system with variable and discontinuous coefficient

Kazufumi Ito, Tomoya Takeuchi

arxiv:1106.1700 v1 · 2011-06-09 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCODRDMSLNNXGUWIF75T34P4OB}

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	2026-06-03T23:06:56.153922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809c388d925b5b7352c82ffb3df1fc7052b65cd59eca563aad6d0564815205e3

Aliases

arxiv: 1106.1700 · arxiv_version: 1106.1700v1 · doi: 10.48550/arxiv.1106.1700 · pith_short_12: QCODRDMSLNNX · pith_short_16: QCODRDMSLNNXGUWI · pith_short_8: QCODRDMS

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/QCODRDMSLNNXGUWIF75T34P4OB \
  | 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: 809c388d925b5b7352c82ffb3df1fc7052b65cd59eca563aad6d0564815205e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dd326ca27376891421616112aa4c1ddfc4a725a1de6e86379a083e9b9afd26e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-06-09T04:26:42Z",
    "title_canon_sha256": "29db8719c0879861d6dad32a8fbd2938f12e4a12cb7424446eeb8f6570ce444c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1700",
    "kind": "arxiv",
    "version": 1
  }
}