Pith Number

pith:6UUSZ5QU

pith:2005:6UUSZ5QUZXIOVXHHM4A67GKV2O

not attested not anchored not stored refs pending

Chandra Observations of A2670 and A2107: A Comet Galaxy and cDs with Large Peculiar Velocities

Craig L. Sarazin, Gregory R. Sivakoff (UVa), Yutaka Fujita (Osaka U.)

arxiv:astro-ph/0512308 v1 · 2005-12-12 · 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{6UUSZ5QUZXIOVXHHM4A67GKV2O}

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	2026-05-18T01:40:32.918247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5292cf614cdd0eadce76701ef9955d3a86929d4fd07da3fc8da5349e0794fdf

Aliases

arxiv: astro-ph/0512308 · arxiv_version: astro-ph/0512308v1 · doi: 10.48550/arxiv.astro-ph/0512308 · pith_short_12: 6UUSZ5QUZXIO · pith_short_16: 6UUSZ5QUZXIOVXHH · pith_short_8: 6UUSZ5QU

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/6UUSZ5QUZXIOVXHHM4A67GKV2O \
  | 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: f5292cf614cdd0eadce76701ef9955d3a86929d4fd07da3fc8da5349e0794fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffce229bab83573a3e89bdb9a34fb15a4bd2e58a22356282c2061bf58918277",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-12T21:00:46Z",
    "title_canon_sha256": "965249d50808a0d6370df4b1ce828ad45b8a10064c9279c6b2241dfd639bd7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512308",
    "kind": "arxiv",
    "version": 1
  }
}