Pith Number

pith:X2HQHPQU

pith:2016:X2HQHPQUITELL5PKGZFQIQVTFP

not attested not anchored not stored refs pending

The Physics of Magnetars II - The Electron Fermi Energy of and the Origin of High X-ray Luminosity of Magnetars

Chih-kang Chou, Jie Zhang, Qiu-he Peng, Zhi-Fu Gao

arxiv:1612.04657 v1 · 2016-12-10 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2HQHPQUITELL5PKGZFQIQVTFP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:54:58.906483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be8f03be1444c8b5f5ea364b0442b32bf075c491a59084b0138b0b7309096a57

Aliases

arxiv: 1612.04657 · arxiv_version: 1612.04657v1 · doi: 10.48550/arxiv.1612.04657 · pith_short_12: X2HQHPQUITEL · pith_short_16: X2HQHPQUITELL5PK · pith_short_8: X2HQHPQU

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/X2HQHPQUITELL5PKGZFQIQVTFP \
  | 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: be8f03be1444c8b5f5ea364b0442b32bf075c491a59084b0138b0b7309096a57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba33f67417ea5ccb589b6c08e1e9e55872cbc7843c2e86d2328f1f83d3e8fc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-10T18:09:07Z",
    "title_canon_sha256": "83259a18991f87d232e011387d063780e7d844494ac926d3edb9255d36c826e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04657",
    "kind": "arxiv",
    "version": 1
  }
}