Pith Number

pith:2IB6MNFQ

pith:2016:2IB6MNFQR7A4HYP6FIV5A5APAB

not attested not anchored not stored refs pending

Testing the axion-conversion hypothesis of 3.5 keV emission with polarization

Hua Feng, Xuelei Chen, Yan Gong

arxiv:1612.05697 v2 · 2016-12-17 · astro-ph.HE · astro-ph.CO · hep-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{2IB6MNFQR7A4HYP6FIV5A5APAB}

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	2026-05-18T00:50:42.169254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d203e634b08fc1c3e1fe2a2bd0740f006c9fd6fa94f86df86dc039c7d8cd9abb

Aliases

arxiv: 1612.05697 · arxiv_version: 1612.05697v2 · doi: 10.48550/arxiv.1612.05697 · pith_short_12: 2IB6MNFQR7A4 · pith_short_16: 2IB6MNFQR7A4HYP6 · pith_short_8: 2IB6MNFQ

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/2IB6MNFQR7A4HYP6FIV5A5APAB \
  | 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: d203e634b08fc1c3e1fe2a2bd0740f006c9fd6fa94f86df86dc039c7d8cd9abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0af1fe22e5b576740e8a5f4589c900019b532288e623f4d70c62d250f696c8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-17T03:11:22Z",
    "title_canon_sha256": "ac6b59132a31187efaf9f78bfc4bbd880a70ca66ed1694b4a04b6c1d2e586c5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05697",
    "kind": "arxiv",
    "version": 2
  }
}