Pith Number

pith:NXRAPWU2

pith:2009:NXRAPWU246MRKKZJR6VP2WJUIM

not attested not anchored not stored refs pending

Confirmation of and Variable Energy Injection by a Near-Relativistic Outflow in APM 08279+5255

C. Saez, G. Chartas, G. P. Garmire, M. Giustini, W. N. Brandt

arxiv:0910.0021 v1 · 2009-09-30 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXRAPWU246MRKKZJR6VP2WJUIM}

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	2026-05-18T02:34:20.618883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de207da9ae799152b298faafd59344320ff3f8f13d01c22b65b76de15eb2809

Aliases

arxiv: 0910.0021 · arxiv_version: 0910.0021v1 · doi: 10.48550/arxiv.0910.0021 · pith_short_12: NXRAPWU246MR · pith_short_16: NXRAPWU246MRKKZJ · pith_short_8: NXRAPWU2

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/NXRAPWU246MRKKZJR6VP2WJUIM \
  | 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: 6de207da9ae799152b298faafd59344320ff3f8f13d01c22b65b76de15eb2809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fdcc3b9107471bf0e5995e7dddf575c28ac362022f4bc3b8e6d1c612e678a3a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-30T20:26:11Z",
    "title_canon_sha256": "3b996e30ab5e6dc5e492e7efdce4fe550525525e7d8cdf2084f7d9f87e8f71ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0021",
    "kind": "arxiv",
    "version": 1
  }
}