Pith Number

pith:S46K3FRW

pith:2015:S46K3FRWO7PCEMLRSDJMRBQ3UL

not attested not anchored not stored refs pending

Determine Ramsey numbers on a quantum computer

Hefeng Wang

arxiv:1510.01884 v1 · 2015-10-07 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S46K3FRWO7PCEMLRSDJMRBQ3UL}

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	2026-05-18T01:19:29.373466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973cad963677de22317190d2c8861ba2c2d1f7680a72278ac18465c1f9e93891

Aliases

arxiv: 1510.01884 · arxiv_version: 1510.01884v1 · doi: 10.48550/arxiv.1510.01884 · pith_short_12: S46K3FRWO7PC · pith_short_16: S46K3FRWO7PCEMLR · pith_short_8: S46K3FRW

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/S46K3FRWO7PCEMLRSDJMRBQ3UL \
  | 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: 973cad963677de22317190d2c8861ba2c2d1f7680a72278ac18465c1f9e93891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb607afa2891a2589f3fbf6a5f7d9050a58fda5f8eb4ba0b2f49a9062024901",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-07T10:44:15Z",
    "title_canon_sha256": "7910e93b556c2eb0cd3939683a85448ec90308839f551503577bdabb6b6bbd02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01884",
    "kind": "arxiv",
    "version": 1
  }
}