Pith Number

pith:SSGLNFHH

pith:1999:SSGLNFHH72YAZVKKFIITCPM3ZM

not attested not anchored not stored refs pending

On Calder\'on's conjecture

Christoph Thiele, Michael Lacey

arxiv:math/9903203 v1 · 1999-03-01 · math.CA · 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{SSGLNFHH72YAZVKKFIITCPM3ZM}

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	2026-05-18T01:05:33.160023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948cb694e7feb00cd54a2a11313d9bcb209ceb597be6f58651a308820e39fbb4

Aliases

arxiv: math/9903203 · arxiv_version: math/9903203v1 · doi: 10.48550/arxiv.math/9903203 · pith_short_12: SSGLNFHH72YA · pith_short_16: SSGLNFHH72YAZVKK · pith_short_8: SSGLNFHH

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/SSGLNFHH72YAZVKKFIITCPM3ZM \
  | 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: 948cb694e7feb00cd54a2a11313d9bcb209ceb597be6f58651a308820e39fbb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e4f0ac955277b76fd04ae56343cdf417c365f08a0e6b7708bacab0a55dd78f1",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1999-03-01T00:00:00Z",
    "title_canon_sha256": "14756a500f0f79e9f812b6de27a42cc2c74c4fbb76934bf2af75852f8f3f1ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9903203",
    "kind": "arxiv",
    "version": 1
  }
}