Pith Number

pith:EGE6VC5C

pith:2017:EGE6VC5C7QIADGOBQUG46RW2L6

not attested not anchored not stored refs pending

Lion and man in non-metric spaces

Jonathan Ariel Barmak

arxiv:1703.01480 v1 · 2017-03-04 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGE6VC5C7QIADGOBQUG46RW2L6}

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	2026-05-18T00:49:30.581403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2189ea8ba2fc100199c1850dcf46da5fbb72eea7c938f3d74c9b9ec985161379

Aliases

arxiv: 1703.01480 · arxiv_version: 1703.01480v1 · doi: 10.48550/arxiv.1703.01480 · pith_short_12: EGE6VC5C7QIA · pith_short_16: EGE6VC5C7QIADGOB · pith_short_8: EGE6VC5C

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/EGE6VC5C7QIADGOBQUG46RW2L6 \
  | 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: 2189ea8ba2fc100199c1850dcf46da5fbb72eea7c938f3d74c9b9ec985161379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a54e6d8306cb958220aa99535333233a90c5f8770f523986e66a4c125a3e7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-03-04T15:40:04Z",
    "title_canon_sha256": "0689cd4b2c00c82581033b6e61c0fde0adb8d23d00656af72abf4c513ddf8703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01480",
    "kind": "arxiv",
    "version": 1
  }
}