Pith Number

pith:WWSWWRO5

pith:2008:WWSWWRO5JWF7NBCHDUIGB67YP2

not attested not anchored not stored refs pending

The context of the Local Volume: structures and motions in the nearby universe

Matthew Colless

arxiv:0801.0816 v1 · 2008-01-05 · 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{WWSWWRO5JWF7NBCHDUIGB67YP2}

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	2026-05-18T02:16:02.244516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a56b45dd4d8bf684471d1060fbf87e9ca98bc02eec0ea3165839bc7a264944

Aliases

arxiv: 0801.0816 · arxiv_version: 0801.0816v1 · doi: 10.48550/arxiv.0801.0816 · pith_short_12: WWSWWRO5JWF7 · pith_short_16: WWSWWRO5JWF7NBCH · pith_short_8: WWSWWRO5

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/WWSWWRO5JWF7NBCHDUIGB67YP2 \
  | 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: b5a56b45dd4d8bf684471d1060fbf87e9ca98bc02eec0ea3165839bc7a264944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec300332b5732cbce14f1d311e5bda0c31e9f5681f44bf29c6edd7f32654013f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-05T15:42:52Z",
    "title_canon_sha256": "36422e34a167daf156ac2c84ea6a35ad6fc4ec98873ea5b2776093cdd1cde05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0816",
    "kind": "arxiv",
    "version": 1
  }
}