Pith Number

pith:QUXGEF57

pith:2021:QUXGEF57OMF3RP7PRHS5K3EUT6

not attested not anchored not stored refs pending

Constraints on dark matter annihilation from the Event Horizon Telescope Observations of M87$^\star$

Guan-Wen Yuan, Qiang Yuan, Ran Ding, Wen-Qing Guo, Xiaoyuan Huang, Zhan-Fang Chen, Zhao-Qiang Shen

arxiv:2106.05901 v2 · 2021-06-10 · hep-ph · 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{QUXGEF57OMF3RP7PRHS5K3EUT6}

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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.

Cited by

1 paper in Pith

Observational Limits on Einasto Dark Matter Parameters from Event Horizon Telescope Images of Sgr A$^{*}$ and M87$^{*}$

Receipt and verification

First computed	2026-07-05T04:14:51.092190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

852e6217bf730bb8bfef89e5d56c949f9f93fc4f570649da2e9b8de489b7e568

Aliases

arxiv: 2106.05901 · arxiv_version: 2106.05901v2 · doi: 10.48550/arxiv.2106.05901 · pith_short_12: QUXGEF57OMF3 · pith_short_16: QUXGEF57OMF3RP7P · pith_short_8: QUXGEF57

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/QUXGEF57OMF3RP7PRHS5K3EUT6 \
  | 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: 852e6217bf730bb8bfef89e5d56c949f9f93fc4f570649da2e9b8de489b7e568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c04f32e87be7317bfd123f396dbc26ff69b7f20f2b0786eb7e1b7bbc460dde",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-06-10T16:29:25Z",
    "title_canon_sha256": "afc8aec34368e0d94f0009c66863ae066d7f6317d3c44b0c7a7ce19a848a4259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05901",
    "kind": "arxiv",
    "version": 2
  }
}