Pith Number

pith:6UOG67PU

pith:2008:6UOG67PUTVN272U5R7F275K4JN

not attested not anchored not stored refs pending

Powerful flares from recoiling black holes in quasars

((1) UT Austin, (2) Yale University), E. W. Bonning (2), G. A. Shields (1)

arxiv:0802.3873 v1 · 2008-02-26 · 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{6UOG67PUTVN272U5R7F275K4JN}

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	2026-05-18T02:52:13.094013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51c6f7df49d5bafea9d8fcbaff55c4b7572ace56c922cef530aa57d83754ab7

Aliases

arxiv: 0802.3873 · arxiv_version: 0802.3873v1 · doi: 10.48550/arxiv.0802.3873 · pith_short_12: 6UOG67PUTVN2 · pith_short_16: 6UOG67PUTVN272U5 · pith_short_8: 6UOG67PU

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/6UOG67PUTVN272U5R7F275K4JN \
  | 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: f51c6f7df49d5bafea9d8fcbaff55c4b7572ace56c922cef530aa57d83754ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88d59b623d2ea1b607d1c45787de418c28a53e1dc49cc80e613830ffa2bdbb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-26T18:54:20Z",
    "title_canon_sha256": "c434764354f65da39b1833d5c8efe35d0ef6b6602e23bfc2bb148d1ee13b8a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3873",
    "kind": "arxiv",
    "version": 1
  }
}