Pith Number

pith:4BKC6DTA

pith:2018:4BKC6DTAHAISDRP7MAHA7REFEC

not attested not anchored not stored refs pending

A note on global existence for the Zakharov system on $\mathbb{T}$

E. Compaan

arxiv:1805.07604 v2 · 2018-05-19 · 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{4BKC6DTAHAISDRP7MAHA7REFEC}

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	2026-05-18T00:14:43.858680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0542f0e60381121c5ff600e0fc48520bec2327ae030d2ee2ec3d39122a813a5

Aliases

arxiv: 1805.07604 · arxiv_version: 1805.07604v2 · doi: 10.48550/arxiv.1805.07604 · pith_short_12: 4BKC6DTAHAIS · pith_short_16: 4BKC6DTAHAISDRP7 · pith_short_8: 4BKC6DTA

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/4BKC6DTAHAISDRP7MAHA7REFEC \
  | 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: e0542f0e60381121c5ff600e0fc48520bec2327ae030d2ee2ec3d39122a813a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef4a26279e6f7017f970a27615bffce309c737ad448f4290a9435ef6b83d616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-19T14:37:22Z",
    "title_canon_sha256": "266a3e978eb36208fbe977422534ba37d0d8f59b757db5be57ef0bfb58c757a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07604",
    "kind": "arxiv",
    "version": 2
  }
}