Pith Number

pith:AOXKTDZ5

pith:2009:AOXKTDZ5SEBZ5YZSSH5UD3M6GX

not attested not anchored not stored refs pending

Clues on black hole feedback from simulated and observed X-ray properties of elliptical galaxies

Bologna University, Italy; (2) Princeton University Observatory, J.P. Ostriker (2) ((1) Dept. of Astronomy, L. Ciotti (1), NJ), Princeton, S. Pellegrini (1)

arxiv:0904.3421 v1 · 2009-04-22 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOXKTDZ5SEBZ5YZSSH5UD3M6GX}

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	2026-05-18T02:13:58.203482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03aea98f3d91039ee33291fb41ed9e35c30bf115144b3814352db7046f120767

Aliases

arxiv: 0904.3421 · arxiv_version: 0904.3421v1 · doi: 10.48550/arxiv.0904.3421 · pith_short_12: AOXKTDZ5SEBZ · pith_short_16: AOXKTDZ5SEBZ5YZS · pith_short_8: AOXKTDZ5

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/AOXKTDZ5SEBZ5YZSSH5UD3M6GX \
  | 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: 03aea98f3d91039ee33291fb41ed9e35c30bf115144b3814352db7046f120767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b362b2f1efe32e29076bf29497a58a417bb8e6d675328109aa6201eb7c8dba",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-22T10:10:59Z",
    "title_canon_sha256": "d39bb29c965dad6e447a14d72d378f3732fc67f0484fc64fb2f00d48a1df52ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3421",
    "kind": "arxiv",
    "version": 1
  }
}