Pith Number

pith:MQHJHFF4

pith:2019:MQHJHFF4UYHSTZG6TYNBJSNTRE

not attested not anchored not stored refs pending

Cosmic Ray Spectrum and Composition from PeV to EeV from the IceCube Neutrino Observatory

Karen Andeen, Matthias Plum (for the IceCube Collaboration)

arxiv:1908.08139 v1 · 2019-08-21 · 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{MQHJHFF4UYHSTZG6TYNBJSNTRE}

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	2026-07-04T23:59:09.978750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640e9394bca60f29e4de9e1a14c9b38908b94c4496b0cd30abc1350d7cec85af

Aliases

arxiv: 1908.08139 · arxiv_version: 1908.08139v1 · doi: 10.48550/arxiv.1908.08139 · pith_short_12: MQHJHFF4UYHS · pith_short_16: MQHJHFF4UYHSTZG6 · pith_short_8: MQHJHFF4

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/MQHJHFF4UYHSTZG6TYNBJSNTRE \
  | 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: 640e9394bca60f29e4de9e1a14c9b38908b94c4496b0cd30abc1350d7cec85af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "516a8f8839a4968061e4622a2bba633bc74dd55559a118d8092eccbdba7364f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-21T23:20:41Z",
    "title_canon_sha256": "94ee233d7ec6b1625540b89ac298bb40439c585e2c4b985b0d9c4e8eb8dfa023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08139",
    "kind": "arxiv",
    "version": 1
  }
}