Pith Number

pith:FTQRNOVZ

pith:2018:FTQRNOVZVAOEES3AETO75ICKT3

not attested not anchored not stored refs pending

Uniform a priori estimates for positive solutions of the Lane-Emden equation in the plane

Boyan Sirakov, Nikola Kamburov

arxiv:1802.00843 v2 · 2018-02-02 · 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{FTQRNOVZVAOEES3AETO75ICKT3}

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	2026-05-18T00:19:47.057544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce116bab9a81c424b6024ddfea04a9eca30b94136c01fc5564eb2d6f8c62f88

Aliases

arxiv: 1802.00843 · arxiv_version: 1802.00843v2 · doi: 10.48550/arxiv.1802.00843 · pith_short_12: FTQRNOVZVAOE · pith_short_16: FTQRNOVZVAOEES3A · pith_short_8: FTQRNOVZ

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/FTQRNOVZVAOEES3AETO75ICKT3 \
  | 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: 2ce116bab9a81c424b6024ddfea04a9eca30b94136c01fc5564eb2d6f8c62f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61ce15d8cec39ded625c33506d3a80803253a3c61b8359d1766a42473c070f6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-02T20:52:29Z",
    "title_canon_sha256": "b6c1863f876b551dc4e1deaa002524aacb5dbd2cd45beb83ff492096a2ffb4f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00843",
    "kind": "arxiv",
    "version": 2
  }
}