Pith Number

pith:VYJB4JFV

pith:2015:VYJB4JFVX6V4PH37PGO63ODCNJ

not attested not anchored not stored refs pending

Unit Interval Orders of Open and Closed Intervals

Alan Shuchat, Ann Trenk, Randy Shull

arxiv:1501.06430 v1 · 2015-01-26 · 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{VYJB4JFVX6V4PH37PGO63ODCNJ}

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	2026-05-18T02:28:41.484030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae121e24b5bfabc79f7f799dedb8626a410ddf811f00acbf0c6ca38a8ab4a2ed

Aliases

arxiv: 1501.06430 · arxiv_version: 1501.06430v1 · doi: 10.48550/arxiv.1501.06430 · pith_short_12: VYJB4JFVX6V4 · pith_short_16: VYJB4JFVX6V4PH37 · pith_short_8: VYJB4JFV

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/VYJB4JFVX6V4PH37PGO63ODCNJ \
  | 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: ae121e24b5bfabc79f7f799dedb8626a410ddf811f00acbf0c6ca38a8ab4a2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2002d89b8e44b3ca3f9e81022ff4cb5c2678344bb62e11ac6aff8e1e559150d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-26T15:04:39Z",
    "title_canon_sha256": "1f9531acda70198b80634c69aa7cb3465e910390c970a04c7e6bdb53e7cf505e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06430",
    "kind": "arxiv",
    "version": 1
  }
}