Pith Number

pith:TRXJOKFV

pith:2016:TRXJOKFVIRCT7W555MOMXOFACM

not attested not anchored not stored refs pending

Contact manifolds with flexible fillings

Oleg Lazarev

arxiv:1610.04837 v2 · 2016-10-16 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TRXJOKFVIRCT7W555MOMXOFACM}

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	2026-05-18T00:35:51.694354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c6e9728b544453fdbbdeb1ccbb8a0133f93be06a326a67057698be24444c811

Aliases

arxiv: 1610.04837 · arxiv_version: 1610.04837v2 · doi: 10.48550/arxiv.1610.04837 · pith_short_12: TRXJOKFVIRCT · pith_short_16: TRXJOKFVIRCT7W55 · pith_short_8: TRXJOKFV

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/TRXJOKFVIRCT7W555MOMXOFACM \
  | 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: 9c6e9728b544453fdbbdeb1ccbb8a0133f93be06a326a67057698be24444c811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf163bba562c26836cb8f82f9c43c53801617990b90d2db03f933aff0318b0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-10-16T10:03:36Z",
    "title_canon_sha256": "a1fea47fd6ab67736933ca1e33855b7e48e52d11ac1a804c314ee2294205f79c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04837",
    "kind": "arxiv",
    "version": 2
  }
}