Pith Number

pith:OZYV6IES

pith:2016:OZYV6IESHZ6NLMEOVIFBHDUWIG

not attested not anchored not stored refs pending

Ramsey Partial Orders from Acyclic Graphs

Jaroslav Ne\v{s}et\v{r}il, Vojt\v{e}ch R\"odl

arxiv:1608.04662 v2 · 2016-08-16 · 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{OZYV6IESHZ6NLMEOVIFBHDUWIG}

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	2026-05-18T00:49:42.187934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76715f20923e7cd5b08eaa0a138e9641ad11b33ad735aea6f4b55ce255b74dab

Aliases

arxiv: 1608.04662 · arxiv_version: 1608.04662v2 · doi: 10.48550/arxiv.1608.04662 · pith_short_12: OZYV6IESHZ6N · pith_short_16: OZYV6IESHZ6NLMEO · pith_short_8: OZYV6IES

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/OZYV6IESHZ6NLMEOVIFBHDUWIG \
  | 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: 76715f20923e7cd5b08eaa0a138e9641ad11b33ad735aea6f4b55ce255b74dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e41696ecd8e98b644a965d20f5b0e9b2752a7ce50989796e7cf3e9af6245b5e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-16T16:30:36Z",
    "title_canon_sha256": "a0acb17d33f6885b68672d453584d6b10a07aa01a0e3e957267dbbfca8b51632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04662",
    "kind": "arxiv",
    "version": 2
  }
}