Pith. sign in
Pith Number

pith:WLX3ESHQ

pith:2007:WLX3ESHQ4DE7AVHGVOSJ6CLMWU
not attested not anchored not stored refs pending

Restriction of Fourier transforms to curves, II: Some classes with vanishing torsion

Andreas Seeger, Daniel M. Oberlin, Jong-Guk Bak

arxiv:math/0703068 v2 · 2007-03-02 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WLX3ESHQ4DE7AVHGVOSJ6CLMWU}

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 2026-07-04T17:23:15.596615Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b2efb248f0e0c9f054e6aba49f096cb51be1092e8afd28c88c9f200c6f6f98bd

Aliases

arxiv: math/0703068 · arxiv_version: math/0703068v2 · doi: 10.48550/arxiv.math/0703068 · pith_short_12: WLX3ESHQ4DE7 · pith_short_16: WLX3ESHQ4DE7AVHG · pith_short_8: WLX3ESHQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WLX3ESHQ4DE7AVHGVOSJ6CLMWU \
  | 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: b2efb248f0e0c9f054e6aba49f096cb51be1092e8afd28c88c9f200c6f6f98bd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c1d1782074f119a458e0fd70822dd040f9d2fbf67f75b6bc4f7e1c1b4de67116",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2007-03-02T19:28:15Z",
    "title_canon_sha256": "882579c42ec3631872d27bd21e37fcc2759bcb9e5e83fa28577f13efa984c557"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703068",
    "kind": "arxiv",
    "version": 2
  }
}