Pith Number

pith:FQOLOINP

pith:2017:FQOLOINPQHMRG2RHO3KDAFKYWJ

not attested not anchored not stored refs pending

The 3.5 keV Line from Stringy Axions

Markus Rummel, Michele Cicoli, Veronica Guidetti, Victor A. Diaz

arxiv:1707.02987 v3 · 2017-07-10 · hep-th · 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{FQOLOINPQHMRG2RHO3KDAFKYWJ}

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	2026-05-18T00:30:01.530891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1cb721af81d9136a2776d4301558b25bb9f6c652a8edeb3b5d4571dcde2075

Aliases

arxiv: 1707.02987 · arxiv_version: 1707.02987v3 · doi: 10.48550/arxiv.1707.02987 · pith_short_12: FQOLOINPQHMR · pith_short_16: FQOLOINPQHMRG2RH · pith_short_8: FQOLOINP

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/FQOLOINPQHMRG2RHO3KDAFKYWJ \
  | 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: 2c1cb721af81d9136a2776d4301558b25bb9f6c652a8edeb3b5d4571dcde2075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd343bbd00b231774ce445c5e113377ae0e19c67b74a5fdf6d8b905debfc586",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-07-10T18:00:04Z",
    "title_canon_sha256": "f50eb6651f1b40e2309b67f4cb78ddb45758a4a842369d3b8078018a355d1eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02987",
    "kind": "arxiv",
    "version": 3
  }
}