Pith Number

pith:SMVJ55NJ

pith:2018:SMVJ55NJDMACZTMYIA34JX4TJZ

not attested not anchored not stored refs pending

The De Bruijn-Newman constant is non-negative

Brad Rodgers, Terence Tao

arxiv:1801.05914 v5 · 2018-01-18 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMVJ55NJDMACZTMYIA34JX4TJZ}

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	2026-07-05T02:54:48.165148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

932a9ef5a91b002ccd984037c4df934e736fa06a34e4e8db09b8b832a840496d

Aliases

arxiv: 1801.05914 · arxiv_version: 1801.05914v5 · doi: 10.48550/arxiv.1801.05914 · pith_short_12: SMVJ55NJDMAC · pith_short_16: SMVJ55NJDMACZTMY · pith_short_8: SMVJ55NJ

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/SMVJ55NJDMACZTMYIA34JX4TJZ \
  | 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: 932a9ef5a91b002ccd984037c4df934e736fa06a34e4e8db09b8b832a840496d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15da96e43f10ff316b44d467f52ac14afa44f04fbe51a65ee4508eb5633c8dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-01-18T02:47:14Z",
    "title_canon_sha256": "a1c723724fdf7f50cd25344106d9b48625013dc8078853c24e73d6983da8d427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05914",
    "kind": "arxiv",
    "version": 5
  }
}