Pith Number

pith:HUSJTGMM

pith:2014:HUSJTGMMKZNULZF57DERSTQMBE

not attested not anchored not stored refs pending

Contact structures and reducible surgeries

Steven Sivek, Tye Lidman

arxiv:1410.0303 v1 · 2014-10-01 · math.GT · 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{HUSJTGMMKZNULZF57DERSTQMBE}

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	2026-05-17T23:53:14.141547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d2499998c565b45e4bdf8c9194e0c09080579618a8d0f6f916d1be6759fad8e

Aliases

arxiv: 1410.0303 · arxiv_version: 1410.0303v1 · doi: 10.48550/arxiv.1410.0303 · pith_short_12: HUSJTGMMKZNU · pith_short_16: HUSJTGMMKZNULZF5 · pith_short_8: HUSJTGMM

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/HUSJTGMMKZNULZF57DERSTQMBE \
  | 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: 3d2499998c565b45e4bdf8c9194e0c09080579618a8d0f6f916d1be6759fad8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2a969310de79dff2984e7ba4a9fd87abf8404a0e12f5ddc9647c4aff823d55",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-10-01T17:41:53Z",
    "title_canon_sha256": "0f5653594871d69a94a90dab20e245dc89535cffce75c023e324d9be136bc17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0303",
    "kind": "arxiv",
    "version": 1
  }
}