Pith Number

pith:YJCEJD7K

pith:2009:YJCEJD7KMHY34YLRGSHKKIHNMY

not attested not anchored not stored refs pending

On the periodic Schr\"odinger-Boussinesq System

Ademir Pastor, Luiz Gustavo Farah

arxiv:0905.4072 v1 · 2009-05-25 · 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{YJCEJD7KMHY34YLRGSHKKIHNMY}

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	2026-05-18T04:40:09.550371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c244448fea61f1be6171348ea520ed66174e75f2813a0f3176ecb5c2ef4d6d0b

Aliases

arxiv: 0905.4072 · arxiv_version: 0905.4072v1 · doi: 10.48550/arxiv.0905.4072 · pith_short_12: YJCEJD7KMHY3 · pith_short_16: YJCEJD7KMHY34YLR · pith_short_8: YJCEJD7K

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/YJCEJD7KMHY34YLRGSHKKIHNMY \
  | 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: c244448fea61f1be6171348ea520ed66174e75f2813a0f3176ecb5c2ef4d6d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0e029dcb3cb56793c477b23c71d25880022ee2c4220b51df8e3f054beaf6fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-05-25T19:55:00Z",
    "title_canon_sha256": "bb042fe2c12036f332afa1a942001781fad7c48c45217a9db7bad5698ab97009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4072",
    "kind": "arxiv",
    "version": 1
  }
}