Pith Number

pith:QWCHXZOU

pith:2011:QWCHXZOUBCY3BQ4HCCFGGWBG5B

not attested not anchored not stored refs pending

A general relativistic external Compton-scattering model for TeV emission from M87

Jian-Min Wang (IHEP), Yan-Rong Li, Ye-Fei Yuan (USTC), Yu-Dong Cui

arxiv:1112.2948 v1 · 2011-12-13 · 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{QWCHXZOUBCY3BQ4HCCFGGWBG5B}

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	2026-05-18T04:02:37.225507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85847be5d408b1b0c387108a635826e85f24513352f706d0cf0dcfa6391d0172

Aliases

arxiv: 1112.2948 · arxiv_version: 1112.2948v1 · doi: 10.48550/arxiv.1112.2948 · pith_short_12: QWCHXZOUBCY3 · pith_short_16: QWCHXZOUBCY3BQ4H · pith_short_8: QWCHXZOU

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/QWCHXZOUBCY3BQ4HCCFGGWBG5B \
  | 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: 85847be5d408b1b0c387108a635826e85f24513352f706d0cf0dcfa6391d0172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350bee9b74a938adde03235628c760e72ce8ac5ac83378318a27151c51c67f46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-13T16:38:16Z",
    "title_canon_sha256": "86aa3efde8aa10faa99bd1ac73db4a51ed1c88664f0470845fbec30c7c07da70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2948",
    "kind": "arxiv",
    "version": 1
  }
}