Pith Number

pith:JEXDPCMS

pith:2006:JEXDPCMSQRORTLJQ5SKI3UTQ4C

not attested not anchored not stored refs pending

Contact structures on 3-manifolds are deformations of foliations

John B. Etnyre

arxiv:math/0607825 v2 · 2006-07-31 · math.SG · 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{JEXDPCMSQRORTLJQ5SKI3UTQ4C}

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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.

Cited by

1 paper in Pith

Boundary framings for locally conformally symplectic four-manifolds

Receipt and verification

First computed	2026-07-04T14:56:03.756341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492e378992845d19ad30ec948dd270e0ba793b6c6f4112b11e646bc9e72f08ad

Aliases

arxiv: math/0607825 · arxiv_version: math/0607825v2 · doi: 10.48550/arxiv.math/0607825 · pith_short_12: JEXDPCMSQROR · pith_short_16: JEXDPCMSQRORTLJQ · pith_short_8: JEXDPCMS

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/JEXDPCMSQRORTLJQ5SKI3UTQ4C \
  | 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: 492e378992845d19ad30ec948dd270e0ba793b6c6f4112b11e646bc9e72f08ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af54571b0113b60d1428b01f1f1b1e2e77a0a3ccd97856d35a534dd805119eba",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2006-07-31T19:15:15Z",
    "title_canon_sha256": "a7315f424acb3424e49ff8c025c5c5d3c0d0e2f4529b663709f849faee4507f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607825",
    "kind": "arxiv",
    "version": 2
  }
}