Pith Number

pith:4YKEKBG3

pith:2021:4YKEKBG36W2Q3D7RWTAUL6Z4BA

not attested not anchored not stored refs pending

Developing the Future of Gamma-ray Astrophysics with Monolithic Silicon Pixels

Carolyn Kierans, Henrike Fleischhack, Isabella Brewer, Ivan Peric, Jeremy Perkins, Jessica Metcalfe, Michela Negro, Nicolas Striebig, Regina Caputo, Richard Leys

arxiv:2109.13409 v1 · 2021-09-28 · astro-ph.IM · 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{4YKEKBG36W2Q3D7RWTAUL6Z4BA}

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	2026-07-05T03:26:08.235599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6144504dbf5b50d8ff1b4c145fb3c08149a8c8c96b735e5f62f23cd812f86fa

Aliases

arxiv: 2109.13409 · arxiv_version: 2109.13409v1 · doi: 10.48550/arxiv.2109.13409 · pith_short_12: 4YKEKBG36W2Q · pith_short_16: 4YKEKBG36W2Q3D7R · pith_short_8: 4YKEKBG3

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/4YKEKBG36W2Q3D7RWTAUL6Z4BA \
  | 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: e6144504dbf5b50d8ff1b4c145fb3c08149a8c8c96b735e5f62f23cd812f86fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfeadca23a3b710905aaeb5a820a64c94cf8eae3e5779a0f181f23bc6725258a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-28T00:32:09Z",
    "title_canon_sha256": "99edf18fb72574ed115511acceed32e867f91e6e04a83180711b5892f27b12d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13409",
    "kind": "arxiv",
    "version": 1
  }
}