Pith Number

pith:MYOXQNBZ

pith:2019:MYOXQNBZLFAAW4RA37QRDKAP6B

not attested not anchored not stored refs pending

Testing convexity of functions over finite domains

Abhinav Bommireddi, Aleksandrs Belovs, Eric Blais

arxiv:1908.02525 v1 · 2019-08-07 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYOXQNBZLFAAW4RA37QRDKAP6B}

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	2026-07-04T23:52:09.886599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

661d78343959400b7220dfe111a80ff053d5f13f90edd5060ed7d9606dc0299b

Aliases

arxiv: 1908.02525 · arxiv_version: 1908.02525v1 · doi: 10.48550/arxiv.1908.02525 · pith_short_12: MYOXQNBZLFAA · pith_short_16: MYOXQNBZLFAAW4RA · pith_short_8: MYOXQNBZ

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/MYOXQNBZLFAAW4RA37QRDKAP6B \
  | 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: 661d78343959400b7220dfe111a80ff053d5f13f90edd5060ed7d9606dc0299b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1399d6ea750309bc6feac815c54ea2002bbd8114901f63d17a63df24e6322fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-08-07T10:50:45Z",
    "title_canon_sha256": "98b7d22f6a1034cfab38d176f92e843d4a9ac47da6d4902af0fa876982458484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02525",
    "kind": "arxiv",
    "version": 1
  }
}