Pith Number

pith:JMK2UY7C

pith:2017:JMK2UY7CWRO3UXK5TQON3RB5QD

not attested not anchored not stored refs pending

Nbd is not cartesian closed

Giacomo Dossena

arxiv:1707.06137 v1 · 2017-07-19 · math.CT · 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{JMK2UY7CWRO3UXK5TQON3RB5QD}

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	2026-05-18T00:39:57.512249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b15aa63e2b45dba5d5d9c1cddc43d80df70aa7e03830b2287b8121102eef9a1

Aliases

arxiv: 1707.06137 · arxiv_version: 1707.06137v1 · doi: 10.48550/arxiv.1707.06137 · pith_short_12: JMK2UY7CWRO3 · pith_short_16: JMK2UY7CWRO3UXK5 · pith_short_8: JMK2UY7C

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/JMK2UY7CWRO3UXK5TQON3RB5QD \
  | 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: 4b15aa63e2b45dba5d5d9c1cddc43d80df70aa7e03830b2287b8121102eef9a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4d68575d6b5968563163f652dccbce68412a6bfb2cfe3ae343c064ed66dc9d",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-07-19T15:07:05Z",
    "title_canon_sha256": "afcabe8022d84b3e32b2380365f13cb6412b60d7c68a6531837afefa0f7b864d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06137",
    "kind": "arxiv",
    "version": 1
  }
}