Pith Number

pith:RDAFKHMN

pith:2017:RDAFKHMNA2TY2DGF5OKPK5LRZA

not attested not anchored not stored refs pending

Differential equations invariant under conditional symmetries

Decio Levi, Miguel Angel Rodriguez, Zora Thomova

arxiv:1708.03302 v3 · 2017-08-10 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDAFKHMNA2TY2DGF5OKPK5LRZA}

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	2026-05-18T00:23:58.939461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88c0551d8d06a78d0cc5eb94f57571c8383ec97576de5363d129c54118df9cb9

Aliases

arxiv: 1708.03302 · arxiv_version: 1708.03302v3 · doi: 10.48550/arxiv.1708.03302 · pith_short_12: RDAFKHMNA2TY · pith_short_16: RDAFKHMNA2TY2DGF · pith_short_8: RDAFKHMN

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/RDAFKHMNA2TY2DGF5OKPK5LRZA \
  | 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: 88c0551d8d06a78d0cc5eb94f57571c8383ec97576de5363d129c54118df9cb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a464b2b6bb579f5d5cccfe55f0ee5ec5ec6adedf82be9a55916d6eb67a2c632d",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-08-10T17:17:30Z",
    "title_canon_sha256": "e527b74addc21ad9460c54461a8b76bde64188f4c07c7e5c2b34387e53fd8a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03302",
    "kind": "arxiv",
    "version": 3
  }
}