Pith Number

pith:TIBHZIXZ

pith:2018:TIBHZIXZND7F4IJEUOCM2I4LHN

not attested not anchored not stored refs pending

Contact Structures of Sasaki Type and their Associated Moduli

Charles P. Boyer

arxiv:1810.07639 v1 · 2018-10-17 · math.DG · 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{TIBHZIXZND7F4IJEUOCM2I4LHN}

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	2026-05-17T23:42:58.733924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a027ca2f968fe5e2124a384cd238b3b7ad8c3c5ef9812711d02f03427a1353a

Aliases

arxiv: 1810.07639 · arxiv_version: 1810.07639v1 · doi: 10.48550/arxiv.1810.07639 · pith_short_12: TIBHZIXZND7F · pith_short_16: TIBHZIXZND7F4IJE · pith_short_8: TIBHZIXZ

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/TIBHZIXZND7F4IJEUOCM2I4LHN \
  | 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: 9a027ca2f968fe5e2124a384cd238b3b7ad8c3c5ef9812711d02f03427a1353a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e78623ac35462a527697c3db9bb954bc518659dab9450e982a51223639c25b",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-17T16:06:06Z",
    "title_canon_sha256": "7f3286d398eb9b568b2f54be408d5811f30b535a07f62be0083cb2df14a39016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07639",
    "kind": "arxiv",
    "version": 1
  }
}