Pith Number

pith:UZXYFGNI

pith:2011:UZXYFGNIPMI265TBQKP2LMC6KP

not attested not anchored not stored refs pending

On Schr\"odinger maps from $T^1$ to $S^2$

Didier Smets, Robert L. Jerrard

arxiv:1105.2736 v1 · 2011-05-13 · math.AP · 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{UZXYFGNIPMI265TBQKP2LMC6KP}

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	2026-05-18T04:22:09.685527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a66f8299a87b11af7661829fa5b05e53f38bc82c74a765913adf123600d1b86b

Aliases

arxiv: 1105.2736 · arxiv_version: 1105.2736v1 · doi: 10.48550/arxiv.1105.2736 · pith_short_12: UZXYFGNIPMI2 · pith_short_16: UZXYFGNIPMI265TB · pith_short_8: UZXYFGNI

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/UZXYFGNIPMI265TBQKP2LMC6KP \
  | 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: a66f8299a87b11af7661829fa5b05e53f38bc82c74a765913adf123600d1b86b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba596d75812d2890e7baa43093afbac2de8c1345ddd7ccc4b3aa45f457801b73",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-13T14:20:24Z",
    "title_canon_sha256": "d50a32c8d974f8a25f470eb778432cc9fe6c91e3438ff588c77604a490ac623c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2736",
    "kind": "arxiv",
    "version": 1
  }
}