Pith Number

pith:B67BR2BI

pith:2016:B67BR2BIIG3HFKKFNYHQ5HXHBE

not attested not anchored not stored refs pending

A nonlocal concave-convex problem with nonlocal mixed boundary data

Abdelrazek Dieb, Boumediene Abdellaoui, Enrico Valdinoci

arxiv:1611.09902 v2 · 2016-11-29 · 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{B67BR2BIIG3HFKKFNYHQ5HXHBE}

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	2026-05-18T00:54:15.266631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fbe18e82841b672a9456e0f0e9ee7091c17e30c975c18dce9558d7cf28befb6

Aliases

arxiv: 1611.09902 · arxiv_version: 1611.09902v2 · doi: 10.48550/arxiv.1611.09902 · pith_short_12: B67BR2BIIG3H · pith_short_16: B67BR2BIIG3HFKKF · pith_short_8: B67BR2BI

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/B67BR2BIIG3HFKKFNYHQ5HXHBE \
  | 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: 0fbe18e82841b672a9456e0f0e9ee7091c17e30c975c18dce9558d7cf28befb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc00eb21ab808dee641954c41f7842807ffb3145ff464b15af9ac09c4000c21d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-11-29T21:51:02Z",
    "title_canon_sha256": "24b53214c66db97f1999d96a891c4b1d1007bad98f8d670d9f15e67d84c6ecd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09902",
    "kind": "arxiv",
    "version": 2
  }
}