Pith Number

pith:GIUZDAJB

pith:2016:GIUZDAJB3SCIQ37AXONQCDYHPG

not attested not anchored not stored refs pending

Bikei Homology

Jake Rosenfield, Sam Nelson

arxiv:1603.02719 v2 · 2016-03-08 · math.GT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GIUZDAJB3SCIQ37AXONQCDYHPG}

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	2026-05-18T01:14:52.370709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3229918121dc84886fe0bb9b010f07798ed62fe281bb4920f325a14412293b5f

Aliases

arxiv: 1603.02719 · arxiv_version: 1603.02719v2 · doi: 10.48550/arxiv.1603.02719 · pith_short_12: GIUZDAJB3SCI · pith_short_16: GIUZDAJB3SCIQ37A · pith_short_8: GIUZDAJB

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/GIUZDAJB3SCIQ37AXONQCDYHPG \
  | 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: 3229918121dc84886fe0bb9b010f07798ed62fe281bb4920f325a14412293b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c996b7fd0e5fc3440839ca1c95f9049a8c02de6c0ec76bc1395e29d245a91cad",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-03-08T21:54:38Z",
    "title_canon_sha256": "decacf1a79eee5b466bd7bd4ada3b52e7012c3de884dd8c33cb8ae57629914a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02719",
    "kind": "arxiv",
    "version": 2
  }
}