Pith Number

pith:QEY4FRA6

pith:2015:QEY4FRA6HGEJ5TVADQIXLAGGBL

not attested not anchored not stored refs pending

Construction of a stable periodic solution to a semilinear heat equation with a prescribed profile

Fethi Mahmoudi, Hatem Zaag, Nejla Nouaili

arxiv:1506.07708 v2 · 2015-06-25 · 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{QEY4FRA6HGEJ5TVADQIXLAGGBL}

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	2026-05-18T01:33:51.424885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8131c2c41e39889ecea01c117580c60ae5966ee82456fa7b136d9f3335121555

Aliases

arxiv: 1506.07708 · arxiv_version: 1506.07708v2 · doi: 10.48550/arxiv.1506.07708 · pith_short_12: QEY4FRA6HGEJ · pith_short_16: QEY4FRA6HGEJ5TVA · pith_short_8: QEY4FRA6

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/QEY4FRA6HGEJ5TVADQIXLAGGBL \
  | 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: 8131c2c41e39889ecea01c117580c60ae5966ee82456fa7b136d9f3335121555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d07aae933ec9f6b6b18d800a4bedfe6a24d455b8952ae1c77a4dbd793c3d0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-25T11:36:37Z",
    "title_canon_sha256": "2ce3d3959f71fb8c3794a6702152a9560e386f3cb4a5680b864806ab4d001f4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07708",
    "kind": "arxiv",
    "version": 2
  }
}