Pith Number

pith:GAKUJEF6

pith:2008:GAKUJEF6OQJQ72KA4GCG6MUU7V

not attested not anchored not stored refs pending

Far UV and X-ray observation: a hot view of shell galaxies

A. Marino, G. Trinchieri, M.S. Clemens, R. Gruetzbauch, R. Rampazzo

arxiv:0801.2327 v1 · 2008-01-15 · 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{GAKUJEF6OQJQ72KA4GCG6MUU7V}

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	2026-07-04T15:06:51.551293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30154490be74130fe940e1846f3294fd57320607278fde73b2065123c248f288

Aliases

arxiv: 0801.2327 · arxiv_version: 0801.2327v1 · doi: 10.48550/arxiv.0801.2327 · pith_short_12: GAKUJEF6OQJQ · pith_short_16: GAKUJEF6OQJQ72KA · pith_short_8: GAKUJEF6

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/GAKUJEF6OQJQ72KA4GCG6MUU7V \
  | 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: 30154490be74130fe940e1846f3294fd57320607278fde73b2065123c248f288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7a2513a26556d8d8c55559520210183c7cba064fe1e2a417a06f3b3c4d2ac7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-15T15:42:51Z",
    "title_canon_sha256": "b62763e993f7a0ca3ca5d46924c2560f4075a02d1845cff9649d91da6625a136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2327",
    "kind": "arxiv",
    "version": 1
  }
}