Pith Number

pith:D4MLD22K

pith:2018:D4MLD22KWCUFWLR5IYMLER6EFO

not attested not anchored not stored refs pending

Where do the AMS-02 anti-helium events come from?

Ilias Cholis, Joseph Silk, Marc Kamionkowski, Pierre Salati, Vivian Poulin

arxiv:1808.08961 v3 · 2018-08-27 · 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{D4MLD22KWCUFWLR5IYMLER6EFO}

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	2026-05-17T23:50:38.501544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f18b1eb4ab0a85b2e3d4618b247c42bbe0bedeb13d341e3c9fd6446c5ec0c21

Aliases

arxiv: 1808.08961 · arxiv_version: 1808.08961v3 · doi: 10.48550/arxiv.1808.08961 · pith_short_12: D4MLD22KWCUF · pith_short_16: D4MLD22KWCUFWLR5 · pith_short_8: D4MLD22K

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/D4MLD22KWCUFWLR5IYMLER6EFO \
  | 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: 1f18b1eb4ab0a85b2e3d4618b247c42bbe0bedeb13d341e3c9fd6446c5ec0c21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608463aaff0b7b461d5bf59daa3a4e3b0e52a087af1609fcd7b8497629b29cc5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-27T18:00:02Z",
    "title_canon_sha256": "56a934c09ee98b1c047995e641200b9aac92b4d410a4994b4273949866192ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08961",
    "kind": "arxiv",
    "version": 3
  }
}