Pith Number

pith:PMFYMQOW

pith:2005:PMFYMQOW3WQZV3H74WWDJ7TSFO

not attested not anchored not stored refs pending

Inverse problem for the discrete 1D Schr\"odinger operator with small periodic potentials

Anton Kutsenko, Evgeny Korotyaev

arxiv:math/0507297 v1 · 2005-07-14 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMFYMQOW3WQZV3H74WWDJ7TSFO}

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	2026-05-18T01:38:24.915541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0b8641d6dda19aecffe5ac34fe722b8fe58235281ece36220952eb02a0d77f

Aliases

arxiv: math/0507297 · arxiv_version: math/0507297v1 · doi: 10.48550/arxiv.math/0507297 · pith_short_12: PMFYMQOW3WQZ · pith_short_16: PMFYMQOW3WQZV3H7 · pith_short_8: PMFYMQOW

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/PMFYMQOW3WQZV3H74WWDJ7TSFO \
  | 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: 7b0b8641d6dda19aecffe5ac34fe722b8fe58235281ece36220952eb02a0d77f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ce672afb4199ea696cf1f30f748106ffb9272904f586cfe0376df0729c5dff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SP",
    "submitted_at": "2005-07-14T15:23:27Z",
    "title_canon_sha256": "35349b63237b51be68b165beab1c222b513a944d9d2a81f7e965069624cff7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0507297",
    "kind": "arxiv",
    "version": 1
  }
}