Pith Number

pith:MPQEWTFQ

pith:2006:MPQEWTFQ26NTVHVNKE3VDCL6BC

not attested not anchored not stored refs pending

On Hadamard Conjecture

R.N.Mohan

arxiv:cs/0604050 v1 · 2006-04-12 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPQEWTFQ26NTVHVNKE3VDCL6BC}

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	2026-05-18T04:08:54.070481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e04b4cb0d79b3a9ead513751897e08832e36ce1a06f1ecc63ced44eefc7094

Aliases

arxiv: cs/0604050 · arxiv_version: cs/0604050v1 · doi: 10.48550/arxiv.cs/0604050 · pith_short_12: MPQEWTFQ26NT · pith_short_16: MPQEWTFQ26NTVHVN · pith_short_8: MPQEWTFQ

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/MPQEWTFQ26NTVHVNKE3VDCL6BC \
  | 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: 63e04b4cb0d79b3a9ead513751897e08832e36ce1a06f1ecc63ced44eefc7094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6e955180de4cbd032c952ad7c4fcff73e0af6689562cd1086d74682c6a05a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DM",
    "submitted_at": "2006-04-12T01:34:56Z",
    "title_canon_sha256": "ef0e6752a5c522b2fa0a1734a741d521768db1ca66d4df437842356b341e6447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0604050",
    "kind": "arxiv",
    "version": 1
  }
}