Pith Number

pith:SE7N57TB

pith:2017:SE7N57TBKVG6EL7FZGUFXBKPPJ

not attested not anchored not stored refs pending

Round surgery and contact structures on 3-manifolds

Jiro Adachi

arxiv:1703.04093 v1 · 2017-03-12 · 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{SE7N57TBKVG6EL7FZGUFXBKPPJ}

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	2026-05-18T00:48:49.742549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913edefe61554de22fe5c9a85b854f7a4f787711cd2738f6fc87a9cba7a50ba9

Aliases

arxiv: 1703.04093 · arxiv_version: 1703.04093v1 · doi: 10.48550/arxiv.1703.04093 · pith_short_12: SE7N57TBKVG6 · pith_short_16: SE7N57TBKVG6EL7F · pith_short_8: SE7N57TB

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/SE7N57TBKVG6EL7FZGUFXBKPPJ \
  | 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: 913edefe61554de22fe5c9a85b854f7a4f787711cd2738f6fc87a9cba7a50ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2142f21906b82bbe9c912d7d3b894baf8c7ba61497de1516e7692ec245e1e80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-12T10:05:36Z",
    "title_canon_sha256": "eaf633e226cb5f44eb3416d26c4eaf73854f0ef0155bdcf355581682752a7f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04093",
    "kind": "arxiv",
    "version": 1
  }
}