Pith Number

pith:IX33CMJA

pith:2016:IX33CMJA5LIYB7L6SJ24JVMA2H

not attested not anchored not stored refs pending

Square and Delta reflection

Laura Fontanella, Yair Hayut

arxiv:1602.01264 v1 · 2016-02-03 · 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{IX33CMJA5LIYB7L6SJ24JVMA2H}

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	2026-05-18T01:21:20.661109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f7b13120ead180fd7e9275c4d580d1f011f8e7fd722ef5053fb1c83fc3420e

Aliases

arxiv: 1602.01264 · arxiv_version: 1602.01264v1 · doi: 10.48550/arxiv.1602.01264 · pith_short_12: IX33CMJA5LIY · pith_short_16: IX33CMJA5LIYB7L6 · pith_short_8: IX33CMJA

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/IX33CMJA5LIYB7L6SJ24JVMA2H \
  | 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: 45f7b13120ead180fd7e9275c4d580d1f011f8e7fd722ef5053fb1c83fc3420e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b4901cc895aa69b25495a8ab848d04f9bee81e9b7ea16292a7b0dd52845da8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-02-03T11:03:17Z",
    "title_canon_sha256": "7be983e598d22bf9c17b97f8df38d87547b4dee38053954acee8222d227927f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01264",
    "kind": "arxiv",
    "version": 1
  }
}