Pith Number

pith:HHGIIUSC

pith:2018:HHGIIUSCGZFFGA7OM6HQ5KP5DJ

not attested not anchored not stored refs pending

Colored ray configurations

Alfredo Garc\'ia, Ferran Hurtado, Javier Tejel, Jorge Urrutia, Maria Saumell, Pablo P\'erez-Lantero, Rafel Jaume, Rodrigo I. Silveira, Ruy Fabila-Monroy

arxiv:1802.03415 v1 · 2018-02-09 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHGIIUSCGZFFGA7OM6HQ5KP5DJ}

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	2026-05-18T00:23:51.755470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39cc845242364a5303ee678f0ea9fd1a4df570a09ef9843be8ba7f321daf8ccc

Aliases

arxiv: 1802.03415 · arxiv_version: 1802.03415v1 · doi: 10.48550/arxiv.1802.03415 · pith_short_12: HHGIIUSCGZFF · pith_short_16: HHGIIUSCGZFFGA7O · pith_short_8: HHGIIUSC

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/HHGIIUSCGZFFGA7OM6HQ5KP5DJ \
  | 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: 39cc845242364a5303ee678f0ea9fd1a4df570a09ef9843be8ba7f321daf8ccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef727c49afc7124cecc47d3ec9524e23688df409073738b81704ef331eab47f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-02-09T19:09:52Z",
    "title_canon_sha256": "f2f8fdd41c3169d4a92ddb831fecd91cdac23b3c29c0d35424999ecc9f89ecc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03415",
    "kind": "arxiv",
    "version": 1
  }
}