Pith Number

pith:BXIHOGSV

pith:2012:BXIHOGSVBI3RTWUTYS5VNF7MIX

not attested not anchored not stored refs pending

Spectral inverse problems for compact Hankel operators

Patrick Gerard (LM-Orsay), Sandrine Grellier (MAPMO)

arxiv:1201.4971 v1 · 2012-01-24 · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXIHOGSVBI3RTWUTYS5VNF7MIX}

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	2026-05-18T04:03:56.561218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dd0771a550a3719da93c4bb5697ec45d2ab38466abeea0dc80c954f6cad1cfe

Aliases

arxiv: 1201.4971 · arxiv_version: 1201.4971v1 · doi: 10.48550/arxiv.1201.4971 · pith_short_12: BXIHOGSVBI3R · pith_short_16: BXIHOGSVBI3RTWUT · pith_short_8: BXIHOGSV

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/BXIHOGSVBI3RTWUTYS5VNF7MIX \
  | 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: 0dd0771a550a3719da93c4bb5697ec45d2ab38466abeea0dc80c954f6cad1cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae1d2eca4f810de049ad8dd4108b1ecf4d5c7745c5313e076b34351d24c77aa4",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-24T13:13:01Z",
    "title_canon_sha256": "c1ed5915efb283a3cdde5b0a974e4bba1bc818b7ac7f90a36418307d70e4aca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4971",
    "kind": "arxiv",
    "version": 1
  }
}