Pith Number

pith:SPGK3NNM

pith:2014:SPGK3NNMDFY4BYIYWLM44ANPUG

not attested not anchored not stored refs pending

SPM Bulletin 37

Boaz Tsaban

arxiv:1412.7013 v1 · 2014-12-22 · math.GN · 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{SPGK3NNMDFY4BYIYWLM44ANPUG}

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	2026-05-18T02:30:45.812164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ccadb5ac1971c0e118b2d9ce01afa18af87739714f1d848e83a0f78ea65c4d

Aliases

arxiv: 1412.7013 · arxiv_version: 1412.7013v1 · doi: 10.48550/arxiv.1412.7013 · pith_short_12: SPGK3NNMDFY4 · pith_short_16: SPGK3NNMDFY4BYIY · pith_short_8: SPGK3NNM

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/SPGK3NNMDFY4BYIYWLM44ANPUG \
  | 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: 93ccadb5ac1971c0e118b2d9ce01afa18af87739714f1d848e83a0f78ea65c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da06b0cf0e0a6d36e7ea9d4cdc15698512d950a3408e2de91062ad2f33773aaa",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-12-22T15:05:00Z",
    "title_canon_sha256": "cc5c20943dbb26bf314407854d70b89fc746905182c1d19a6bf823488c8003c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7013",
    "kind": "arxiv",
    "version": 1
  }
}