Pith Number

pith:2THM4OST

pith:2018:2THM4OSTSBJTIKYO7VI7PDMXH3

not attested not anchored not stored refs pending

Traversing three-manifold triangulations and spines

Henry Segerman, J. Hyam Rubinstein, Stephan Tillmann

arxiv:1812.02806 v3 · 2018-12-06 · 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{2THM4OSTSBJTIKYO7VI7PDMXH3}

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	2026-05-17T23:42:08.509113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4cece3a539053342b0efd51f78d973ec59acb71b154c688cf1c6558868460a7

Aliases

arxiv: 1812.02806 · arxiv_version: 1812.02806v3 · doi: 10.48550/arxiv.1812.02806 · pith_short_12: 2THM4OSTSBJT · pith_short_16: 2THM4OSTSBJTIKYO · pith_short_8: 2THM4OST

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/2THM4OSTSBJTIKYO7VI7PDMXH3 \
  | 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: d4cece3a539053342b0efd51f78d973ec59acb71b154c688cf1c6558868460a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b74dcfe9c4861d68ce15b76e37df73e0764f4eb72cf394172bdb6a6c3af6d56b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-12-06T21:13:50Z",
    "title_canon_sha256": "54451fb68671221afcda36ca340317c6c32c8233cfc4c311d916311a850b8f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02806",
    "kind": "arxiv",
    "version": 3
  }
}