Pith Number

pith:POLTTARC

pith:2012:POLTTARCNRMWODXV5CMF3UYFSU

not attested not anchored not stored refs pending

New Algorithms for Position Heaps

Travis Gagie, Tsung-Han Ku, Wing-Kai Hon

arxiv:1212.4613 v2 · 2012-12-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POLTTARCNRMWODXV5CMF3UYFSU}

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	2026-05-18T03:36:36.081268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b973982226c59670ef5e8985dd30595123f85d88228c64d465930613df69a56

Aliases

arxiv: 1212.4613 · arxiv_version: 1212.4613v2 · doi: 10.48550/arxiv.1212.4613 · pith_short_12: POLTTARCNRMW · pith_short_16: POLTTARCNRMWODXV · pith_short_8: POLTTARC

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/POLTTARCNRMWODXV5CMF3UYFSU \
  | 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: 7b973982226c59670ef5e8985dd30595123f85d88228c64d465930613df69a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95112a3e6a0e589d13a84da607d2830fcfd3c4b0270ee54121014c23860c10f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-12-19T10:03:47Z",
    "title_canon_sha256": "11cb1ffbb0259d0e34e978a50e4770e8506f117aab2aa91f0f6c040b6137b9b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4613",
    "kind": "arxiv",
    "version": 2
  }
}