Pith Number

pith:SU5REZSA

pith:2014:SU5REZSAJK7LJWTBXR2TJTOCJ3

not attested not anchored not stored refs pending

Disjoint Borel Functions

Dan Hathaway

arxiv:1408.4200 v3 · 2014-08-19 · 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{SU5REZSAJK7LJWTBXR2TJTOCJ3}

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	2026-05-18T00:36:51.921075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

953b1266404abeb4da61bc7534cdc24ed0041f096f3f62182ed482353b0c24ea

Aliases

arxiv: 1408.4200 · arxiv_version: 1408.4200v3 · doi: 10.48550/arxiv.1408.4200 · pith_short_12: SU5REZSAJK7L · pith_short_16: SU5REZSAJK7LJWTB · pith_short_8: SU5REZSA

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/SU5REZSAJK7LJWTBXR2TJTOCJ3 \
  | 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: 953b1266404abeb4da61bc7534cdc24ed0041f096f3f62182ed482353b0c24ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e19297dc563eba04c20e8157cc838d3e511035219c285f0b3f49ab4a29bd02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-19T03:24:14Z",
    "title_canon_sha256": "7fc4f261c20b5aad6b23c17f8e0666adabd8eca9cce80c0a5517913024debf51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4200",
    "kind": "arxiv",
    "version": 3
  }
}