Pith Number

pith:R4UZT4AZ

pith:2013:R4UZT4AZONBY5PXXPVWKVUPRZR

not attested not anchored not stored refs pending

Symmetry of Differential Equations and Quantum Theory

Alla Dovlatova, Andrey Alexandrov, Dmitri Yerchuck

arxiv:1302.2908 v2 · 2013-02-12 · 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{R4UZT4AZONBY5PXXPVWKVUPRZR}

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	2026-05-18T01:51:42.040580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2999f01973438ebef77d6caad1f1cc5bbcab4fc511172a1eafbdc8faeb39c2

Aliases

arxiv: 1302.2908 · arxiv_version: 1302.2908v2 · doi: 10.48550/arxiv.1302.2908 · pith_short_12: R4UZT4AZONBY · pith_short_16: R4UZT4AZONBY5PXX · pith_short_8: R4UZT4AZ

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/R4UZT4AZONBY5PXXPVWKVUPRZR \
  | 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: 8f2999f01973438ebef77d6caad1f1cc5bbcab4fc511172a1eafbdc8faeb39c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1beec141920772d817d223ad5dcdb1bb10f0c561228010ad9c15b6a5b3253db",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-02-12T10:18:24Z",
    "title_canon_sha256": "ed0d7a57b753cd96263aae468deeefb935c8c404f6e5b9821d6b638f52ddbd47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2908",
    "kind": "arxiv",
    "version": 2
  }
}