Pith Number

pith:HEGNWPUD

pith:2015:HEGNWPUDYF4EIEA2YZXRB35HFE

not attested not anchored not stored refs pending

A log canonical threshold test

Alexander Rashkovskii

arxiv:1501.04831 v1 · 2015-01-20 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEGNWPUDYF4EIEA2YZXRB35HFE}

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	2026-05-18T02:29:02.183138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

390cdb3e83c17844101ac66f10efa72926ada3c827214e296eff4f0efe270610

Aliases

arxiv: 1501.04831 · arxiv_version: 1501.04831v1 · doi: 10.48550/arxiv.1501.04831 · pith_short_12: HEGNWPUDYF4E · pith_short_16: HEGNWPUDYF4EIEA2 · pith_short_8: HEGNWPUD

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/HEGNWPUDYF4EIEA2YZXRB35HFE \
  | 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: 390cdb3e83c17844101ac66f10efa72926ada3c827214e296eff4f0efe270610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfcf7e1c04ca50f78b27b93d8eeb627340d5b1a806a3dc1f962e197218ba66a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-01-20T14:54:37Z",
    "title_canon_sha256": "fdd4cf5b605f398bb315d4fcad7f7d3df5fa2036fc037cee9546d5bd8f5a90d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04831",
    "kind": "arxiv",
    "version": 1
  }
}