Pith Number

pith:DYAUXSPF

pith:2000:DYAUXSPFYADIFKQSHKYLORMSGP

not attested not anchored not stored refs pending

Tight contact structures and taut foliations

Gordana Matic, Ko Honda, William H Kazez

arxiv:math/0010138 v1 · 2000-10-13 · 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{DYAUXSPFYADIFKQSHKYLORMSGP}

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	2026-05-18T02:38:00.929380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e014bc9e5c00682aa123ab0b7459233c05ec80aea84ad41e94820bdfe4ce70b

Aliases

arxiv: math/0010138 · arxiv_version: math/0010138v1 · doi: 10.48550/arxiv.math/0010138 · pith_short_12: DYAUXSPFYADI · pith_short_16: DYAUXSPFYADIFKQS · pith_short_8: DYAUXSPF

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/DYAUXSPFYADIFKQSHKYLORMSGP \
  | 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: 1e014bc9e5c00682aa123ab0b7459233c05ec80aea84ad41e94820bdfe4ce70b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "079c1e1e7a53f153a22056d75959dfaed14cae8fda994407c1c56d05134d591b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2000-10-13T14:54:36Z",
    "title_canon_sha256": "9bf795051f0151aad506c96677af7b01ba16e26c122df6d9b390a4fbedaefe56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0010138",
    "kind": "arxiv",
    "version": 1
  }
}