Pith Number

pith:MEQWHKQ3

pith:2012:MEQWHKQ33YKEXJWLVPBEGYKRXT

not attested not anchored not stored refs pending

Geometric filtrations of string links and homology cylinders

James Conant, Peter Teichner, Rob Schneiderman

arxiv:1202.2482 v1 · 2012-02-12 · 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{MEQWHKQ33YKEXJWLVPBEGYKRXT}

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	2026-05-18T04:02:26.435990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

612163aa1bde144ba6cbabc2436151bcdf3791a9b9acdc9f78ce78a54b8b9fac

Aliases

arxiv: 1202.2482 · arxiv_version: 1202.2482v1 · doi: 10.48550/arxiv.1202.2482 · pith_short_12: MEQWHKQ33YKE · pith_short_16: MEQWHKQ33YKEXJWL · pith_short_8: MEQWHKQ3

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/MEQWHKQ33YKEXJWLVPBEGYKRXT \
  | 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: 612163aa1bde144ba6cbabc2436151bcdf3791a9b9acdc9f78ce78a54b8b9fac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127ceb861ae977a45cfa4a225f070f5da5b3b2d1df9e24db9a7e0dfb15bc67af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-02-12T02:16:10Z",
    "title_canon_sha256": "0880a09871085f089144091d8956797deac65e607652fc05a3e02c136420d0c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2482",
    "kind": "arxiv",
    "version": 1
  }
}