Pith Number

pith:MJH4E4U4

pith:2017:MJH4E4U4PRPKMU36NVSIWAYZBQ

not attested not anchored not stored refs pending

The Ablowitz-Ladik system on a finite set of integers

Baoqiang Xia

arxiv:1703.01689 v5 · 2017-03-05 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJH4E4U4PRPKMU36NVSIWAYZBQ}

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	2026-05-18T00:12:02.586274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

624fc2729c7c5ea6537e6d648b03190c1601eb1d45215b205fe2d31c7582831d

Aliases

arxiv: 1703.01689 · arxiv_version: 1703.01689v5 · doi: 10.48550/arxiv.1703.01689 · pith_short_12: MJH4E4U4PRPK · pith_short_16: MJH4E4U4PRPKMU36 · pith_short_8: MJH4E4U4

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/MJH4E4U4PRPKMU36NVSIWAYZBQ \
  | 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: 624fc2729c7c5ea6537e6d648b03190c1601eb1d45215b205fe2d31c7582831d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9926a1088ec95e4f7f0febd12fb17fc53871bd40ea8448c969f2bed19ea64c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-03-05T23:19:01Z",
    "title_canon_sha256": "75b52127e6ef21b1553dae0e4283411e8c2fba716f4ef0ed6e3b2db0cb06e113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01689",
    "kind": "arxiv",
    "version": 5
  }
}