Pith Number

pith:CG4PIC27

pith:2013:CG4PIC27CDCBH5LGTBYQFTDQGH

not attested not anchored not stored refs pending

Stability of an inverse problem for the discrete wave equation and convergence results

Axel Osses (DIMEC), Lucie Baudouin (LAAS), Sylvain Ervedoza (IMT)

arxiv:1310.5092 v2 · 2013-10-18 · 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{CG4PIC27CDCBH5LGTBYQFTDQGH}

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	2026-05-18T02:41:58.325853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b8f40b5f10c413f566987102cc7031c9ba4f86171ea9d9b51c9565f416ffb6

Aliases

arxiv: 1310.5092 · arxiv_version: 1310.5092v2 · doi: 10.48550/arxiv.1310.5092 · pith_short_12: CG4PIC27CDCB · pith_short_16: CG4PIC27CDCBH5LG · pith_short_8: CG4PIC27

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/CG4PIC27CDCBH5LGTBYQFTDQGH \
  | 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: 11b8f40b5f10c413f566987102cc7031c9ba4f86171ea9d9b51c9565f416ffb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8e98fee5a324194afbb9c1d679c493e21ef2e3b278ea200aaa752fadbad786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-18T16:53:48Z",
    "title_canon_sha256": "c2e0122c34c567d6221c34878591b6b200acb8ba7b7b9245fa6dd66a1b2085a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5092",
    "kind": "arxiv",
    "version": 2
  }
}