Pith Number

pith:2CKFOX6P

pith:2014:2CKFOX6P42YUZJBV32ISXDQCXO

not attested not anchored not stored refs pending

Sign-changing solutions to elliptic second order equations: glueing a peak to a degenerate critical manifold

Fr\'ed\'eric Robert, J\'er\^ome V\'etois

arxiv:1401.6204 v2 · 2014-01-23 · 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{2CKFOX6P42YUZJBV32ISXDQCXO}

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	2026-05-18T02:40:18.493536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d094575fcfe6b14ca435de912b8e02bbab4e411e4fa4dfc5dd1c28bd6a488a45

Aliases

arxiv: 1401.6204 · arxiv_version: 1401.6204v2 · doi: 10.48550/arxiv.1401.6204 · pith_short_12: 2CKFOX6P42YU · pith_short_16: 2CKFOX6P42YUZJBV · pith_short_8: 2CKFOX6P

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/2CKFOX6P42YUZJBV32ISXDQCXO \
  | 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: d094575fcfe6b14ca435de912b8e02bbab4e411e4fa4dfc5dd1c28bd6a488a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "672ffc9975d0869813450691893297b012d8cc9174dde4c073547ae498947a6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-23T22:30:18Z",
    "title_canon_sha256": "b9a431993261fd980638c00cdcf36ab615692686efc68a14ad10ea750e7bcfea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6204",
    "kind": "arxiv",
    "version": 2
  }
}