Pith Number

pith:6ZDAST33

pith:2013:6ZDAST33RSMADROETUUD7647T5

not attested not anchored not stored refs pending

The Constant Astigmatism Equation. New Exact Solution

Maxim V. Pavlov, Natale Manganaro

arxiv:1311.1136 v1 · 2013-11-05 · 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{6ZDAST33RSMADROETUUD7647T5}

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	2026-05-18T01:46:38.727342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f646094f7b8c9801c5c49d283ffb9f9f76f77cee4fede3098fc03251c4176a8a

Aliases

arxiv: 1311.1136 · arxiv_version: 1311.1136v1 · doi: 10.48550/arxiv.1311.1136 · pith_short_12: 6ZDAST33RSMA · pith_short_16: 6ZDAST33RSMADROE · pith_short_8: 6ZDAST33

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/6ZDAST33RSMADROETUUD7647T5 \
  | 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: f646094f7b8c9801c5c49d283ffb9f9f76f77cee4fede3098fc03251c4176a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8d0409fb534650fa08fc2ea29292033b3cd7f26a80d823c29591763ac46eab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-11-05T17:42:12Z",
    "title_canon_sha256": "7f59cd45c24f7974854b175330fe5e8ab6002976a849a791efda44793feef08f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1136",
    "kind": "arxiv",
    "version": 1
  }
}