Pith Number

pith:QLYC5C3B

pith:2017:QLYC5C3BCI7MJJ2HPESTTS6IGN

not attested not anchored not stored refs pending

On an extremal problem involving a pair of forbidden posets

Casey Tompkins, Yao Wang

arxiv:1710.10760 v1 · 2017-10-30 · 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{QLYC5C3BCI7MJJ2HPESTTS6IGN}

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	2026-05-18T00:31:46.567824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f02e8b61123ec4a747792539cbc8336ca3c20faf7379ecb6eddb0c4dff5d93

Aliases

arxiv: 1710.10760 · arxiv_version: 1710.10760v1 · doi: 10.48550/arxiv.1710.10760 · pith_short_12: QLYC5C3BCI7M · pith_short_16: QLYC5C3BCI7MJJ2H · pith_short_8: QLYC5C3B

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/QLYC5C3BCI7MJJ2HPESTTS6IGN \
  | 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: 82f02e8b61123ec4a747792539cbc8336ca3c20faf7379ecb6eddb0c4dff5d93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3abb51fa23c293b848b7da961d49e75d194f9952e66310e4d0a399bd38774541",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-30T03:49:17Z",
    "title_canon_sha256": "8013ebc1a40dc0b81015c2b2cb08605514701fb1d4f14c0b88e7a0b4902df383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10760",
    "kind": "arxiv",
    "version": 1
  }
}