Pith Number

pith:T6NAHEYN

pith:2018:T6NAHEYN63HCSRJNWKGMC5WBJX

not attested not anchored not stored refs pending

The photo-disintegration of $^4$He on the cosmic microwave background is less severe than earlier thought

Diego F. Torres, Jorge F. Soriano, Luis A. Anchordoqui

arxiv:1805.00409 v2 · 2018-05-01 · astro-ph.HE · 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{T6NAHEYN63HCSRJNWKGMC5WBJX}

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	2026-05-18T00:08:41.941709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9a03930df6ce29452db28cc176c14dcbc87ee321e61017e494f401a5878fea

Aliases

arxiv: 1805.00409 · arxiv_version: 1805.00409v2 · doi: 10.48550/arxiv.1805.00409 · pith_short_12: T6NAHEYN63HC · pith_short_16: T6NAHEYN63HCSRJN · pith_short_8: T6NAHEYN

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/T6NAHEYN63HCSRJNWKGMC5WBJX \
  | 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: 9f9a03930df6ce29452db28cc176c14dcbc87ee321e61017e494f401a5878fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb0418c498f1421614a1c6d48a1eac562d6fc0b7a5d159191a8bb3ed684b47a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-01T16:09:48Z",
    "title_canon_sha256": "32359ad1f1d0c159f9f87504316afc103a85da28a10df1af764f9904d182c2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00409",
    "kind": "arxiv",
    "version": 2
  }
}