Pith Number

pith:ER6NWHDC

pith:2019:ER6NWHDCQ6ZCFMHHSSZWM643FN

not attested not anchored not stored refs pending

Knots with Exactly 10 Sticks

Clayton Shonkwiler, Nathaniel Morrison, Ryan Blair, Thomas D. Eddy

arxiv:1909.06947 v1 · 2019-09-16 · 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{ER6NWHDCQ6ZCFMHHSSZWM643FN}

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	2026-07-05T01:53:06.969711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

247cdb1c6287b222b0e794b3667b9b2b513e20ad402d59264e2660494c16a2b3

Aliases

arxiv: 1909.06947 · arxiv_version: 1909.06947v1 · doi: 10.48550/arxiv.1909.06947 · pith_short_12: ER6NWHDCQ6ZC · pith_short_16: ER6NWHDCQ6ZCFMHH · pith_short_8: ER6NWHDC

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/ER6NWHDCQ6ZCFMHHSSZWM643FN \
  | 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: 247cdb1c6287b222b0e794b3667b9b2b513e20ad402d59264e2660494c16a2b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08490014a2601e9c2495ea2d5be9bb02f8c3fabac1cca8ed72d023ae3235455d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-09-16T02:37:50Z",
    "title_canon_sha256": "8a11e54e944e1ba975a136148dc7ce3cced5573b595ae9b7c84d764e6be805eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06947",
    "kind": "arxiv",
    "version": 1
  }
}