Pith Number

pith:LVO6OIOA

pith:2004:LVO6OIOAX5UV6KS66SYDXJBEEG

not attested not anchored not stored refs pending

A Chandra X-ray Observation of Abell 1991: The Late Stages of Infall?

B. R. McNamara, C. L. Sarazin, E. L. Blanton, F. N. Owen, L. P. David, Mangala Sharma, M. Owers, M. W. Wise, P. E. J. Nulsen

arxiv:astro-ph/0405336 v1 · 2004-05-17 · 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{LVO6OIOAX5UV6KS66SYDXJBEEG}

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	2026-07-04T16:43:47.253723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d5de721c0bf695f2a5ef4b03ba42421aa1757f61a5e8ce5ceb652b48389d2b2

Aliases

arxiv: astro-ph/0405336 · arxiv_version: astro-ph/0405336v1 · doi: 10.48550/arxiv.astro-ph/0405336 · pith_short_12: LVO6OIOAX5UV · pith_short_16: LVO6OIOAX5UV6KS6 · pith_short_8: LVO6OIOA

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/LVO6OIOAX5UV6KS66SYDXJBEEG \
  | 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: 5d5de721c0bf695f2a5ef4b03ba42421aa1757f61a5e8ce5ceb652b48389d2b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a1db202b5dc0d1480caff9241879fe30c9c64940185dd965b41dab2173aef1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-17T21:17:26Z",
    "title_canon_sha256": "450cb8075afe741cc4362a1686624dbf468c1d4e3c80166b84a315fb2089928a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405336",
    "kind": "arxiv",
    "version": 1
  }
}