Pith Number

pith:XOPD2PQV

pith:2016:XOPD2PQVJUEXWV23BSKDXQPSPV

not attested not anchored not stored refs pending

Constraints on Axions and Axionlike Particles from Fermi Large Area Telescope Observations of Neutron Stars

Bijan Berenji, Jennifer Gaskins, Manuel Meyer

arxiv:1602.00091 v1 · 2016-01-30 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOPD2PQVJUEXWV23BSKDXQPSPV}

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	2026-05-18T01:19:47.241940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb9e3d3e154d097b575b0c943bc1f27d4f225c05861b4d11822ca901adcef11e

Aliases

arxiv: 1602.00091 · arxiv_version: 1602.00091v1 · doi: 10.48550/arxiv.1602.00091 · pith_short_12: XOPD2PQVJUEX · pith_short_16: XOPD2PQVJUEXWV23 · pith_short_8: XOPD2PQV

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/XOPD2PQVJUEXWV23BSKDXQPSPV \
  | 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: bb9e3d3e154d097b575b0c943bc1f27d4f225c05861b4d11822ca901adcef11e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174590c4d240bbee1f30cec1d8c00910259241d21303e112f92c232c5aebc938",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-30T08:47:48Z",
    "title_canon_sha256": "c6046a41e8a9d7b4ec989369cf92a22c5250a2d47f0634159180ff658d3b3cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00091",
    "kind": "arxiv",
    "version": 1
  }
}