pith. sign in
Pith Number

pith:BCIBDFF7

pith:2013:BCIBDFF7SGMEFNYGESKSG3PYEB
not attested not anchored not stored refs pending

Hyperbolic second order equations with non-regular time dependent coefficients

Claudia Garetto, Michael Ruzhansky

arxiv:1312.7704 v1 · 2013-12-30 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BCIBDFF7SGMEFNYGESKSG3PYEB}

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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 2026-05-18T01:30:35.538929Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

08901194bf919842b7062495236df8204fe82e0e0cecaa8d96eb2215023913ec

Aliases

arxiv: 1312.7704 · arxiv_version: 1312.7704v1 · doi: 10.48550/arxiv.1312.7704 · pith_short_12: BCIBDFF7SGME · pith_short_16: BCIBDFF7SGMEFNYG · pith_short_8: BCIBDFF7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BCIBDFF7SGMEFNYGESKSG3PYEB \
  | 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: 08901194bf919842b7062495236df8204fe82e0e0cecaa8d96eb2215023913ec
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7eb5b11d50d86a7576f3157bbb2e0095c5c2805c0a12a20fbca02931315d60bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-30T13:12:36Z",
    "title_canon_sha256": "09d320f1a37228a230d8e442310d697553d281d7035c51635e2b9843846b9179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7704",
    "kind": "arxiv",
    "version": 1
  }
}