Pith Number

pith:4I73TL5N

pith:2007:4I73TL5NLTR3BMLLS544AGNT3M

not attested not anchored not stored refs pending

PGPG: An Automatic Generator of Pipeline Design for Programmable GRAPE Systems

Junichiro Makino, Toshiyuki Fukushige, Tsuyoshi Hamada

arxiv:astro-ph/0703182 v1 · 2007-03-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I73TL5NLTR3BMLLS544AGNT3M}

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	2026-05-18T01:40:26.874045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23fb9afad5ce3b0b16b9779c019b3db18f72500087d2578d7dd5856386bf394

Aliases

arxiv: astro-ph/0703182 · arxiv_version: astro-ph/0703182v1 · doi: 10.48550/arxiv.astro-ph/0703182 · pith_short_12: 4I73TL5NLTR3 · pith_short_16: 4I73TL5NLTR3BMLL · pith_short_8: 4I73TL5N

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/4I73TL5NLTR3BMLLS544AGNT3M \
  | 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: e23fb9afad5ce3b0b16b9779c019b3db18f72500087d2578d7dd5856386bf394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b557783f2a26e382b3f81482b678986f5f87d7c686c1a4a387b8f96a6b6fa5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-08T15:42:53Z",
    "title_canon_sha256": "968bfe6f4510a4b6be83b958a2f96fb7e502039d789563bc65997e8895d8776e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703182",
    "kind": "arxiv",
    "version": 1
  }
}