Pith Number

pith:NA2PEJMB

pith:2008:NA2PEJMBMGZBZUFAP5QODTQQPH

not attested not anchored not stored refs pending

Galaxy And Mass Assembly (GAMA)

Simon P. Driver, the GAMA team

arxiv:0807.0376 v1 · 2008-07-02 · 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{NA2PEJMBMGZBZUFAP5QODTQQPH}

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	2026-05-18T02:15:45.689455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6834f2258161b21cd0a07f60e1ce1079dac46d45f11c9897beefdaf11454b288

Aliases

arxiv: 0807.0376 · arxiv_version: 0807.0376v1 · doi: 10.48550/arxiv.0807.0376 · pith_short_12: NA2PEJMBMGZB · pith_short_16: NA2PEJMBMGZBZUFA · pith_short_8: NA2PEJMB

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/NA2PEJMBMGZBZUFAP5QODTQQPH \
  | 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: 6834f2258161b21cd0a07f60e1ce1079dac46d45f11c9897beefdaf11454b288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b2a58cf865b93ef423e5678550670a77a68c0fe3503051c9d8d61d0cd5775b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-02T15:29:59Z",
    "title_canon_sha256": "2bc550b98c2139ee9a15cde4f5b1cacb284f08836952556c547bd264f2e2b9b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0376",
    "kind": "arxiv",
    "version": 1
  }
}