pith. sign in
Pith Number

pith:FOGIRF6I

pith:2016:FOGIRF6IYSEJ34XEMXTJXNSSIZ
not attested not anchored not stored refs pending

Impact of Sommerfeld enhancement on helium reionization via WIMP dark matter

Bidisha Bandyopadhyay, Dominik R.G. Schleicher

arxiv:1612.03037 v2 · 2016-12-09 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FOGIRF6IYSEJ34XEMXTJXNSSIZ}

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 2026-05-18T00:21:14.793744Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2b8c8897c8c4889df2e465e69bb65246551414c7838e923119a6c73ccd3f5d43

Aliases

arxiv: 1612.03037 · arxiv_version: 1612.03037v2 · doi: 10.48550/arxiv.1612.03037 · pith_short_12: FOGIRF6IYSEJ · pith_short_16: FOGIRF6IYSEJ34XE · pith_short_8: FOGIRF6I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FOGIRF6IYSEJ34XEMXTJXNSSIZ \
  | 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: 2b8c8897c8c4889df2e465e69bb65246551414c7838e923119a6c73ccd3f5d43
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "98b18dabec4c9a535ea5cf10e93b40b0e363b6cd082da2416d2ec35ef8691814",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-09T14:33:03Z",
    "title_canon_sha256": "c936539f8563f02187cc32216bbf4de1386cd4c65adfe2ebe0526c4d5ce9ba6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03037",
    "kind": "arxiv",
    "version": 2
  }
}