Pith Number

pith:OTTS2PZQ

pith:2018:OTTS2PZQ5H5QC5N4RZHQYYV3HA

not attested not anchored not stored refs pending

Faint $\gamma$-ray sources at low-redshift: the radio galaxy IC 1531

A. Siemiginowska, C. Stanghellini, C. Vignali, E. Torresi, G. Migliori, M. A. P\'erez-Torres, P. Grandi, R. D. Baldi, T. Bassi

arxiv:1810.02668 v1 · 2018-10-05 · 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{OTTS2PZQ5H5QC5N4RZHQYYV3HA}

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	2026-05-18T00:03:14.522035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e72d3f30e9fb0175bc8e4f0c62bb383ff264cb64c556f68704f0472e125ad8

Aliases

arxiv: 1810.02668 · arxiv_version: 1810.02668v1 · doi: 10.48550/arxiv.1810.02668 · pith_short_12: OTTS2PZQ5H5Q · pith_short_16: OTTS2PZQ5H5QC5N4 · pith_short_8: OTTS2PZQ

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/OTTS2PZQ5H5QC5N4RZHQYYV3HA \
  | 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: 74e72d3f30e9fb0175bc8e4f0c62bb383ff264cb64c556f68704f0472e125ad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d3b561bbb995327161b34d9025ade6c52da222b97c1b3e05a0ad95108b9679",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-05T13:22:54Z",
    "title_canon_sha256": "045cd4be80514b958b670121981a44ac7d03e6e5db4fef0e7e122c48a2026cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02668",
    "kind": "arxiv",
    "version": 1
  }
}