Pith Number

pith:DPQSFD7H

pith:2016:DPQSFD7HMB6ZBA2FKWUCPY3GZH

not attested not anchored not stored refs pending

The singular bivariate quartic tracial moment problem

Abhishek Bhardwaj, Alja\v{z} Zalar

arxiv:1611.00494 v2 · 2016-11-02 · 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{DPQSFD7HMB6ZBA2FKWUCPY3GZH}

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	2026-05-18T00:14:16.646130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be1228fe7607d90834555a827e366c9c4e9f5827cfbd9ae9b23a89934a90d29

Aliases

arxiv: 1611.00494 · arxiv_version: 1611.00494v2 · doi: 10.48550/arxiv.1611.00494 · pith_short_12: DPQSFD7HMB6Z · pith_short_16: DPQSFD7HMB6ZBA2F · pith_short_8: DPQSFD7H

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/DPQSFD7HMB6ZBA2FKWUCPY3GZH \
  | 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: 1be1228fe7607d90834555a827e366c9c4e9f5827cfbd9ae9b23a89934a90d29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8b77501c943df367fd6227e5ec7f0fa095089074760826c2830528ec25d5749",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-11-02T07:48:25Z",
    "title_canon_sha256": "4038b854b6f90095945dca558521685c3f5fcb2eba881c17cc9d4c10b5d9643a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00494",
    "kind": "arxiv",
    "version": 2
  }
}