Pith Number

pith:HGZAFV7U

pith:2018:HGZAFV7UG37BSS6CY5AQ4KO7JX

not attested not anchored not stored refs pending

Empirical Analysis of Common Subgraph Isomorphism Approaches to the Lost-in-Space Star Identification Problem

Glenn Galvizo, Lipyeow Lim

arxiv:1808.08686 v1 · 2018-08-27 · 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{HGZAFV7UG37BSS6CY5AQ4KO7JX}

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	2026-05-18T00:07:13.587494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b202d7f436fe194bc2c7410e29df4df0afd88b15de840af35e06681d53176e

Aliases

arxiv: 1808.08686 · arxiv_version: 1808.08686v1 · doi: 10.48550/arxiv.1808.08686 · pith_short_12: HGZAFV7UG37B · pith_short_16: HGZAFV7UG37BSS6C · pith_short_8: HGZAFV7U

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/HGZAFV7UG37BSS6CY5AQ4KO7JX \
  | 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: 39b202d7f436fe194bc2c7410e29df4df0afd88b15de840af35e06681d53176e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9fed59a5880350add31e5469b15356777d05ffa52be499317609765f5757f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-27T04:45:29Z",
    "title_canon_sha256": "0d2acb5e9cb6581d1ae2ba54f99f0caf2b6414d3837274b5ca40697ef9628408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08686",
    "kind": "arxiv",
    "version": 1
  }
}