Pith Number

pith:JIFYITPS

pith:2021:JIFYITPSSW27ZJ5MSVT3VP7F7I

not attested not anchored not stored refs pending

Monitoring the radio galaxy M87 with HAWC

D. Avila Rojas, M. M. Gonz\'alez, N. Fraija, R. Alfaro (for the HAWC collaboration), T. Capistr\'an

arxiv:2108.00113 v1 · 2021-07-31 · 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{JIFYITPSSW27ZJ5MSVT3VP7F7I}

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	2026-07-05T04:59:12.869155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a0b844df295b5fca7ac9567babfe5fa01f5f0c00af2e5972f50e4c90de2825d

Aliases

arxiv: 2108.00113 · arxiv_version: 2108.00113v1 · doi: 10.48550/arxiv.2108.00113 · pith_short_12: JIFYITPSSW27 · pith_short_16: JIFYITPSSW27ZJ5M · pith_short_8: JIFYITPS

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/JIFYITPSSW27ZJ5MSVT3VP7F7I \
  | 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: 4a0b844df295b5fca7ac9567babfe5fa01f5f0c00af2e5972f50e4c90de2825d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49709148f0846d44bc4b1e83e3737eb0f1da9161194a3adabeb03ad8a4aa615f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-31T00:07:04Z",
    "title_canon_sha256": "5653b2c9df9657c100843812e9a3594ca08ca7a72a5d5847383957a14d6e43df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00113",
    "kind": "arxiv",
    "version": 1
  }
}