Pith Number

pith:HIVWCNMJ

pith:2019:HIVWCNMJUHIFOSQXI35BHLXY2Q

not attested not anchored not stored refs pending

The method of forcing

Justin Tatch Moore

arxiv:1902.03235 v1 · 2019-02-08 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIVWCNMJUHIFOSQXI35BHLXY2Q}

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	2026-05-17T23:54:27.564481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a2b613589a1d0574a1746fa13aef8d432ed28a44370a0a8f9123589d5818eb1

Aliases

arxiv: 1902.03235 · arxiv_version: 1902.03235v1 · doi: 10.48550/arxiv.1902.03235 · pith_short_12: HIVWCNMJUHIF · pith_short_16: HIVWCNMJUHIFOSQX · pith_short_8: HIVWCNMJ

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/HIVWCNMJUHIFOSQXI35BHLXY2Q \
  | 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: 3a2b613589a1d0574a1746fa13aef8d432ed28a44370a0a8f9123589d5818eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa7216e9453a30fae46f615b891cc1694bf1b2dfe558b8889d7d7d99fbafd44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-02-08T18:57:36Z",
    "title_canon_sha256": "1de7cc08c6d3d45b3e528bf2a955b899ed621ab3f6f5feddd1d1e65ffde237d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03235",
    "kind": "arxiv",
    "version": 1
  }
}