Pith Number

pith:MJAS6VOC

pith:2016:MJAS6VOC6MTUQP3BWFGTLUKGLQ

not attested not anchored not stored refs pending

Contact Surgeries on the Legendrian Figure-Eight Knot

James Conway

arxiv:1610.03943 v1 · 2016-10-13 · 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{MJAS6VOC6MTUQP3BWFGTLUKGLQ}

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	2026-05-18T01:02:22.961668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62412f55c2f327483f61b14d35d1465c19bcb069b070b98aa18c0ec73bcb7145

Aliases

arxiv: 1610.03943 · arxiv_version: 1610.03943v1 · doi: 10.48550/arxiv.1610.03943 · pith_short_12: MJAS6VOC6MTU · pith_short_16: MJAS6VOC6MTUQP3B · pith_short_8: MJAS6VOC

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/MJAS6VOC6MTUQP3BWFGTLUKGLQ \
  | 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: 62412f55c2f327483f61b14d35d1465c19bcb069b070b98aa18c0ec73bcb7145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3c56ae70425b985cf306430b3d041fda79e1204fe9effa83dd18e998ad47707",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-10-13T05:25:48Z",
    "title_canon_sha256": "a0e72400ae44237085a110983ae7c78ffb67d4b9bea550292b08df49f1fde4e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03943",
    "kind": "arxiv",
    "version": 1
  }
}