Pith Number

pith:FFXFIPHO

pith:2016:FFXFIPHOPKEEAYIWXOT2JRPS5X

not attested not anchored not stored refs pending

The Galactic Center: A PeV Cosmic Ray Acceleration Factory

Hai-Jin Li, Tian-Lu Chen, Yi-Qing Guo, Zhen Tian, Zhen Wang

arxiv:1604.08301 v2 · 2016-04-28 · 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{FFXFIPHOPKEEAYIWXOT2JRPS5X}

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	2026-05-18T00:46:40.525098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296e543cee7a88406116bba7a4c5f2edfeeaee383c2004a78f15ea1886876b39

Aliases

arxiv: 1604.08301 · arxiv_version: 1604.08301v2 · doi: 10.48550/arxiv.1604.08301 · pith_short_12: FFXFIPHOPKEE · pith_short_16: FFXFIPHOPKEEAYIW · pith_short_8: FFXFIPHO

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/FFXFIPHOPKEEAYIWXOT2JRPS5X \
  | 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: 296e543cee7a88406116bba7a4c5f2edfeeaee383c2004a78f15ea1886876b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634ecf7c41ecdbf9258bd6979fe62401651c8c60bded9ebb8f6321a39fcbe32b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-28T05:01:08Z",
    "title_canon_sha256": "6ceeee434a189ca0c3a8097428f6a46c9be50121fd0d496c074e0de57de9c516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08301",
    "kind": "arxiv",
    "version": 2
  }
}