Pith Number

pith:SSXNIIPS

pith:2016:SSXNIIPSA6QVXSN7HA5RY3SHCF

not attested not anchored not stored refs pending

Les chemins de Schr\"oder

Nancy Wallace

arxiv:1609.07997 v1 · 2016-09-26 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSXNIIPSA6QVXSN7HA5RY3SHCF}

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	2026-05-18T01:03:54.704809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94aed421f207a15bc9bf383b1c6e47116731da9be922617accbf31a03c8e4b1a

Aliases

arxiv: 1609.07997 · arxiv_version: 1609.07997v1 · doi: 10.48550/arxiv.1609.07997 · pith_short_12: SSXNIIPSA6QV · pith_short_16: SSXNIIPSA6QVXSN7 · pith_short_8: SSXNIIPS

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/SSXNIIPSA6QVXSN7HA5RY3SHCF \
  | 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: 94aed421f207a15bc9bf383b1c6e47116731da9be922617accbf31a03c8e4b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a327941a5fdf1a08e2c7e58a3da39be3b2ca73dac2d4c80181409cdb292e66b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-09-26T14:49:24Z",
    "title_canon_sha256": "1c3f33fa4dcbcd91a2209ec4f900d0e70e153ad2ba2efa0d6cb13ef350dda16e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07997",
    "kind": "arxiv",
    "version": 1
  }
}