Pith Number

pith:DLWLLGRP

pith:2019:DLWLLGRPK2VP4ZFKJB27HJDBRW

not attested not anchored not stored refs pending

Almost optimal local well-posedness for improved modified Boussinesq equations

Bai Lin, Dan-Andrei Geba

arxiv:1903.07718 v1 · 2019-03-18 · 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{DLWLLGRPK2VP4ZFKJB27HJDBRW}

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	2026-05-17T23:50:54.248984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aecb59a2f56aafe64aa4875f3a4618d94a50ba0543cdbad56cc4a8f943ca9fc

Aliases

arxiv: 1903.07718 · arxiv_version: 1903.07718v1 · doi: 10.48550/arxiv.1903.07718 · pith_short_12: DLWLLGRPK2VP · pith_short_16: DLWLLGRPK2VP4ZFK · pith_short_8: DLWLLGRP

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/DLWLLGRPK2VP4ZFKJB27HJDBRW \
  | 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: 1aecb59a2f56aafe64aa4875f3a4618d94a50ba0543cdbad56cc4a8f943ca9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e85f97050d875689eb6ef8597ccb01be60d0a5453f5cd49467575d9c1929d4bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-18T21:01:55Z",
    "title_canon_sha256": "887c8e9646264a5c2c6b051a774b3c61cdac01450767ed5c9746c0c0cc4e0f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07718",
    "kind": "arxiv",
    "version": 1
  }
}