Pith Number

pith:CFYQ67EV

pith:2019:CFYQ67EVUIEL2JHVPLHMHQT6VH

not attested not anchored not stored refs pending

IceAct, small Imaging Air Cherenkov Telescopes for IceCube

Jan Auffenberg (for the IceCube Collaboration), Karen Andeen, Merlin Schaufel

arxiv:1908.11177 v1 · 2019-08-29 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFYQ67EVUIEL2JHVPLHMHQT6VH}

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	2026-07-05T00:00:31.424787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11710f7c95a208bd24f57acec3c27ea9c1fbe846f5c82cc8654de6528db050d9

Aliases

arxiv: 1908.11177 · arxiv_version: 1908.11177v1 · doi: 10.48550/arxiv.1908.11177 · pith_short_12: CFYQ67EVUIEL · pith_short_16: CFYQ67EVUIEL2JHV · pith_short_8: CFYQ67EV

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/CFYQ67EVUIEL2JHVPLHMHQT6VH \
  | 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: 11710f7c95a208bd24f57acec3c27ea9c1fbe846f5c82cc8654de6528db050d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46202f489638d0f7868a0d735511bdd2e12a7fc655b5f9ee4ce00098e6eeec7e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-29T12:32:38Z",
    "title_canon_sha256": "509763d1ea1cff31043fd5f187577382f7f298bf2556461ad54bb10dc8de2b45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11177",
    "kind": "arxiv",
    "version": 1
  }
}