Pith Number

pith:EBJZ76YU

pith:2007:EBJZ76YULQTHML6WRX4EXDQBWD

not attested not anchored not stored refs pending

On-line Chain Partitions of Up-growing Semi-orders

Grzegorz Matecki, Kamil Kloch, Piotr Micek, Stefan Felsner

arxiv:0704.1829 v3 · 2007-04-13 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBJZ76YULQTHML6WRX4EXDQBWD}

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	2026-05-18T04:28:20.580233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20539ffb145c26762fd68df84b8e01b0dee5826af243b3f7822c313ea08e85d1

Aliases

arxiv: 0704.1829 · arxiv_version: 0704.1829v3 · doi: 10.48550/arxiv.0704.1829 · pith_short_12: EBJZ76YULQTH · pith_short_16: EBJZ76YULQTHML6W · pith_short_8: EBJZ76YU

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/EBJZ76YULQTHML6WRX4EXDQBWD \
  | 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: 20539ffb145c26762fd68df84b8e01b0dee5826af243b3f7822c313ea08e85d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac281aaeb643a6f08fd9acdec1a728df041dbe2c230dd9827e235046f8e8b4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2007-04-13T22:41:21Z",
    "title_canon_sha256": "cbfc49313746cf91e59bbf542200085c32df3ffbb2be074d754ca6d6fd1566c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1829",
    "kind": "arxiv",
    "version": 3
  }
}