Pith Number

pith:O4UJKEAZ

pith:2018:O4UJKEAZ4PDA6KSGJKDZDPWYGG

not attested not anchored not stored refs pending

Laplace maps and constraints for a class of third order partial differential operators

Chris Athorne

arxiv:1801.01737 v1 · 2018-01-05 · 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{O4UJKEAZ4PDA6KSGJKDZDPWYGG}

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	2026-05-18T00:23:27.900219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7728951019e3c60f2a464a8791bed8318ff4240c27543eb5837df51af5946c3c

Aliases

arxiv: 1801.01737 · arxiv_version: 1801.01737v1 · doi: 10.48550/arxiv.1801.01737 · pith_short_12: O4UJKEAZ4PDA · pith_short_16: O4UJKEAZ4PDA6KSG · pith_short_8: O4UJKEAZ

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/O4UJKEAZ4PDA6KSGJKDZDPWYGG \
  | 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: 7728951019e3c60f2a464a8791bed8318ff4240c27543eb5837df51af5946c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347f51eb0a93793617c599edd736f4f854bb7415eb0b9680bb9fc2862c9fbb4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-01-05T12:36:31Z",
    "title_canon_sha256": "834f5ce153366d18b6c4088f20b881a055e1f342c09517b710fd3dc40c4adfc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01737",
    "kind": "arxiv",
    "version": 1
  }
}