Pith Number

pith:F5Y65EU2

pith:2016:F5Y65EU2M3VPIKX6LTARKOH2UD

not attested not anchored not stored refs pending

Additive posets, CW-complexes, and graphs

Vladimir Turaev

arxiv:1605.07798 v2 · 2016-05-25 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5Y65EU2M3VPIKX6LTARKOH2UD}

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	2026-05-18T00:34:35.395772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f71ee929a66eaf42afe5cc11538faa0e262b3e2ab94c65e389455481234a236

Aliases

arxiv: 1605.07798 · arxiv_version: 1605.07798v2 · doi: 10.48550/arxiv.1605.07798 · pith_short_12: F5Y65EU2M3VP · pith_short_16: F5Y65EU2M3VPIKX6 · pith_short_8: F5Y65EU2

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/F5Y65EU2M3VPIKX6LTARKOH2UD \
  | 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: 2f71ee929a66eaf42afe5cc11538faa0e262b3e2ab94c65e389455481234a236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75dbd75693ad98841c7e31ae447ce809c1dfce215a8cb97f6a855da3152eb265",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-25T09:35:17Z",
    "title_canon_sha256": "83cb9979f92e7c66016ccbfcd64b347643850e616f663a8e324c34f4d4dedad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07798",
    "kind": "arxiv",
    "version": 2
  }
}