Pith Number

pith:W236VP7G

pith:2013:W236VP7G2I24O2JSGRHHSEHGBO

not attested not anchored not stored refs pending

Imperfect geometric control and overdamping for the damped wave equation

Hans Christianson, Nicolas Burq

arxiv:1309.6967 v1 · 2013-09-26 · math.AP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W236VP7G2I24O2JSGRHHSEHGBO}

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	2026-05-18T03:12:09.625744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b7eabfe6d235c76932344e7910e60b9913d3c84eed7aae1640d8a436c30b40

Aliases

arxiv: 1309.6967 · arxiv_version: 1309.6967v1 · doi: 10.48550/arxiv.1309.6967 · pith_short_12: W236VP7G2I24 · pith_short_16: W236VP7G2I24O2JS · pith_short_8: W236VP7G

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/W236VP7G2I24O2JSGRHHSEHGBO \
  | 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: b6b7eabfe6d235c76932344e7910e60b9913d3c84eed7aae1640d8a436c30b40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bdbbde568244c25bc23d25a88e809576242bcd91873d761b8588d7b1a4d8504",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-26T17:00:15Z",
    "title_canon_sha256": "bf6faac1ef55cef225530ceb4156b1d9862dce6cc2e9e07df06a489f1c885b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6967",
    "kind": "arxiv",
    "version": 1
  }
}