Pith Number

pith:WGBQ4UQ4

pith:2012:WGBQ4UQ4PSXZU3JIHBXIPV477O

not attested not anchored not stored refs pending

A partial order structure on interval orders

Filippo Disanto, Luca Ferrari, Simone Rinaldi

arxiv:1203.5948 v1 · 2012-03-27 · math.CO · 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{WGBQ4UQ4PSXZU3JIHBXIPV477O}

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	2026-05-18T03:59:12.949638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1830e521c7caf9a6d28386e87d79ffb8f5a0e2ef65c9ef1294dd6c0f1e75d9b

Aliases

arxiv: 1203.5948 · arxiv_version: 1203.5948v1 · doi: 10.48550/arxiv.1203.5948 · pith_short_12: WGBQ4UQ4PSXZ · pith_short_16: WGBQ4UQ4PSXZU3JI · pith_short_8: WGBQ4UQ4

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/WGBQ4UQ4PSXZU3JIHBXIPV477O \
  | 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: b1830e521c7caf9a6d28386e87d79ffb8f5a0e2ef65c9ef1294dd6c0f1e75d9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c1ea60fa65cefb16b8c86b6d58b5763b232615943786a98f4f811b4bf85188b",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-27T12:21:16Z",
    "title_canon_sha256": "298dce737ac9ee8bbe52c56d1d46e17e065f1ce93baa959053e8cebc78938bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5948",
    "kind": "arxiv",
    "version": 1
  }
}