Pith Number

pith:PQAVXQYZ

pith:2004:PQAVXQYZAWNAVBCVFWXB2G7WEJ

not attested not anchored not stored refs pending

The Dwarf LSB Galaxy Population of the Virgo Cluster II. Colours and HI line observations

J. Davies, K. O'Neil, M. Baes, R. Smith, S. Linder, S. Roberts, S. Sabatini, W. van Driel

arxiv:astro-ph/0411401 v1 · 2004-11-15 · 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{PQAVXQYZAWNAVBCVFWXB2G7WEJ}

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	2026-07-04T16:45:13.454657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c015bc319059a0a84552dae1d1bf62260d0801f7a4fe11ba98b8b29cb8e1358

Aliases

arxiv: astro-ph/0411401 · arxiv_version: astro-ph/0411401v1 · doi: 10.48550/arxiv.astro-ph/0411401 · pith_short_12: PQAVXQYZAWNA · pith_short_16: PQAVXQYZAWNAVBCV · pith_short_8: PQAVXQYZ

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/PQAVXQYZAWNAVBCVFWXB2G7WEJ \
  | 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: 7c015bc319059a0a84552dae1d1bf62260d0801f7a4fe11ba98b8b29cb8e1358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d38f195b4b471dfbe6ab8fe291e3c7640724091592a470b5ed84fd137f44b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-15T13:58:52Z",
    "title_canon_sha256": "aad4e772ce47b641cfa91a94b28059e4b4e258a4c5f1b741fcef8626669129c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411401",
    "kind": "arxiv",
    "version": 1
  }
}