Pith Number

pith:E2ROFHUC

pith:2017:E2ROFHUC2JXRMKBB34IVMJPWVB

not attested not anchored not stored refs pending

The Pachner graph of 2-spheres

Basudeb Datta, Benjamin A. Burton, Jonathan Spreer

arxiv:1701.05144 v2 · 2017-01-18 · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2ROFHUC2JXRMKBB34IVMJPWVB}

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	2026-05-18T00:03:41.861549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26a2e29e82d26f162821df115625f6a866d458d2a09dbdfb1faa159031a9770b

Aliases

arxiv: 1701.05144 · arxiv_version: 1701.05144v2 · doi: 10.48550/arxiv.1701.05144 · pith_short_12: E2ROFHUC2JXR · pith_short_16: E2ROFHUC2JXRMKBB · pith_short_8: E2ROFHUC

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/E2ROFHUC2JXRMKBB34IVMJPWVB \
  | 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: 26a2e29e82d26f162821df115625f6a866d458d2a09dbdfb1faa159031a9770b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997fbf625fb107cdd700440e4ce74fdb810ec78ea1a73c54be5823658cda99a2",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-18T16:55:47Z",
    "title_canon_sha256": "d7f1e46feef7cc42df026ab9aab1230d1c217db1a2bbfb890492f761ae6249c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05144",
    "kind": "arxiv",
    "version": 2
  }
}