Pith Number

pith:6SPK7VHG

pith:2020:6SPK7VHGSXE47TF2NT4SZTL437

not attested not anchored not stored refs pending

Dark Matter Interpretation of the Fermi-LAT Observations Toward the Outer Halo of M31

Anne-Katherine Burns, Chris Karwin, Igor Moskalenko, Max Fieg, Sean Fillingham, Simona Murgia

arxiv:2010.08563 v1 · 2020-10-16 · 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{6SPK7VHGSXE47TF2NT4SZTL437}

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	2026-07-05T02:15:30.759343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f49eafd4e695c9cfccba6cf92ccd7cdffa4433ec48cad2b700699d7c10d5073d

Aliases

arxiv: 2010.08563 · arxiv_version: 2010.08563v1 · doi: 10.48550/arxiv.2010.08563 · pith_short_12: 6SPK7VHGSXE4 · pith_short_16: 6SPK7VHGSXE47TF2 · pith_short_8: 6SPK7VHG

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/6SPK7VHGSXE47TF2NT4SZTL437 \
  | 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: f49eafd4e695c9cfccba6cf92ccd7cdffa4433ec48cad2b700699d7c10d5073d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627202716bda8433634b5957a5d06362152db970929a14f74c24d88430f6a52a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-10-16T18:00:15Z",
    "title_canon_sha256": "653f44f4fc74baf8ece6e2cf57e8b6d988d3e791d8b35379c98249b4ebe28d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.08563",
    "kind": "arxiv",
    "version": 1
  }
}