Pith Number

pith:UQ3XO7ZA

pith:2015:UQ3XO7ZAOV4NEIB6BECHH6T7Z4

not attested not anchored not stored refs pending

New long time existence results for a class of Boussinesq-type systems

Cosmin Burtea (LAMA)

arxiv:1509.07797 v2 · 2015-09-25 · 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{UQ3XO7ZAOV4NEIB6BECHH6T7Z4}

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	2026-05-18T01:26:50.102779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a437777f207578d2203e090473fa7fcf2b62dff1e8dd88ed0faa672848feea08

Aliases

arxiv: 1509.07797 · arxiv_version: 1509.07797v2 · doi: 10.48550/arxiv.1509.07797 · pith_short_12: UQ3XO7ZAOV4N · pith_short_16: UQ3XO7ZAOV4NEIB6 · pith_short_8: UQ3XO7ZA

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/UQ3XO7ZAOV4NEIB6BECHH6T7Z4 \
  | 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: a437777f207578d2203e090473fa7fcf2b62dff1e8dd88ed0faa672848feea08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14401d57d172bb0337ca72a86e06cb59bed0dbca2e615c6689373a350fb6fe99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-25T17:29:16Z",
    "title_canon_sha256": "bb0b2a1d289cd5477359ab9d1f2c52bece293c3653654bb6c81889b5c20c8929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07797",
    "kind": "arxiv",
    "version": 2
  }
}