Pith Number

pith:4UNS3ZAB

pith:2013:4UNS3ZABO5PINEONMYHLUPU4UM

not attested not anchored not stored refs pending

Unveiling the nature of the unidentified gamma-ray sources

A. Paggi, F. Massaro, G. Tosti, Howard A. Smith, M. Giroletti, N. Masetti, R. d'Abrusco

arxiv:1303.3267 v1 · 2013-03-13 · 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{4UNS3ZABO5PINEONMYHLUPU4UM}

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	2026-05-18T03:30:55.945933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e51b2de401775e8691cd660eba3e9ca3056d4fb04617694517a6698c4222f874

Aliases

arxiv: 1303.3267 · arxiv_version: 1303.3267v1 · doi: 10.48550/arxiv.1303.3267 · pith_short_12: 4UNS3ZABO5PI · pith_short_16: 4UNS3ZABO5PINEON · pith_short_8: 4UNS3ZAB

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/4UNS3ZABO5PINEONMYHLUPU4UM \
  | 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: e51b2de401775e8691cd660eba3e9ca3056d4fb04617694517a6698c4222f874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1de0efaaa405b92db08bb53e460855ac1c12dab6aa06a1c66f43f2a832a5061",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-13T20:00:00Z",
    "title_canon_sha256": "ca4452c6d0158364d159548d0c43b9ca384c85f7b4b0a0ed9021e7ca190293fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3267",
    "kind": "arxiv",
    "version": 1
  }
}