Pith Number

pith:5SBD23B4

pith:2019:5SBD23B44FXZY66MTJRB53HEPR

not attested not anchored not stored refs pending

Indexing Graph Search Trees and Applications

Kunihiko Sadakane, Sankardeep Chakraborty

arxiv:1906.07871 v1 · 2019-06-19 · cs.DS · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SBD23B44FXZY66MTJRB53HEPR}

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	2026-05-17T23:42:57.491651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec823d6c3ce16f9c7bcc9a621eece47c4394ac6db28cce4c34e77ac4d9210231

Aliases

arxiv: 1906.07871 · arxiv_version: 1906.07871v1 · doi: 10.48550/arxiv.1906.07871 · pith_short_12: 5SBD23B44FXZ · pith_short_16: 5SBD23B44FXZY66M · pith_short_8: 5SBD23B4

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/5SBD23B44FXZY66MTJRB53HEPR \
  | 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: ec823d6c3ce16f9c7bcc9a621eece47c4394ac6db28cce4c34e77ac4d9210231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a04b94e25d3e23c45c1b2d0387341732c031a1f17ae5ac63973114e1ec6732",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-19T01:34:47Z",
    "title_canon_sha256": "f91ade5c8117d690598967100edae42ae59b8790e4f9c5ced46dbe52b5f2be79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07871",
    "kind": "arxiv",
    "version": 1
  }
}