pith. sign in
Pith Number

pith:NONP2ZNV

pith:2011:NONP2ZNVWKDYH72ILS7FDQOHGL
not attested not anchored not stored refs pending

Boundary Value Problems for Elliptic Differential Operators of First Order

Christian Baer, Werner Ballmann

arxiv:1101.1196 v2 · 2011-01-06 · math.DG · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NONP2ZNVWKDYH72ILS7FDQOHGL}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-17T23:39:42.620825Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6b9afd65b5b28783ff485cbe51c1c732e8d49f989b754c3de13944aef7d31b9b

Aliases

arxiv: 1101.1196 · arxiv_version: 1101.1196v2 · doi: 10.48550/arxiv.1101.1196 · pith_short_12: NONP2ZNVWKDY · pith_short_16: NONP2ZNVWKDYH72I · pith_short_8: NONP2ZNV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NONP2ZNVWKDYH72ILS7FDQOHGL \
  | 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: 6b9afd65b5b28783ff485cbe51c1c732e8d49f989b754c3de13944aef7d31b9b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f37e987c62c5d769394353ae87757c9afa7dab2883b70144e5022f7bc92c6017",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-01-06T11:51:15Z",
    "title_canon_sha256": "75a87f2b29a9203714afa703439c98d5edaa0bc02acb10209d06b7c7b0afd2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1196",
    "kind": "arxiv",
    "version": 2
  }
}