Pith Number

pith:NMG5FSCE

pith:2009:NMG5FSCE3CZTAYAPTXD3IULTBS

not attested not anchored not stored refs pending

Existence of multi-pulses of the regularized short-pulse and Ostrovsky equations

Bjorn Sandstede, Christopher K.R.T. Jones, Nick Costanzino, Vahagn Manukian

arxiv:0907.2231 v1 · 2009-07-13 · nlin.PS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMG5FSCE3CZTAYAPTXD3IULTBS}

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	2026-05-18T02:13:03.423168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0dd2c844d8b330600f9dc7b451730c8963703256fd649b8a4d522237b67216

Aliases

arxiv: 0907.2231 · arxiv_version: 0907.2231v1 · doi: 10.48550/arxiv.0907.2231 · pith_short_12: NMG5FSCE3CZT · pith_short_16: NMG5FSCE3CZTAYAP · pith_short_8: NMG5FSCE

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/NMG5FSCE3CZTAYAPTXD3IULTBS \
  | 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: 6b0dd2c844d8b330600f9dc7b451730c8963703256fd649b8a4d522237b67216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb921575f3d460995aad47143e3f440f2aa7c1e57e0ea0ba4dc00986eddd999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-07-13T20:51:21Z",
    "title_canon_sha256": "7aa43db115d1de085966fc9f7c008809f55dc8c4eef2e2a870a8de4bdaafe8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2231",
    "kind": "arxiv",
    "version": 1
  }
}