Pith Number

pith:SQ5TGL4J

pith:2017:SQ5TGL4JSFLKYRBJQYJPWP5WYS

not attested not anchored not stored refs pending

An optical view of extragalactic gamma-ray emitters

Aldo Treves, Marco Landoni, Renato Falomo, Riccardo Scarpa, Simona Paiano

arxiv:1711.00325 v1 · 2017-11-01 · astro-ph.GA · 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{SQ5TGL4JSFLKYRBJQYJPWP5WYS}

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	2026-05-18T00:31:34.425523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943b332f899156ac44298612fb3fb6c4af1449b2894a8f11660b0fb7ac70f197

Aliases

arxiv: 1711.00325 · arxiv_version: 1711.00325v1 · doi: 10.48550/arxiv.1711.00325 · pith_short_12: SQ5TGL4JSFLK · pith_short_16: SQ5TGL4JSFLKYRBJ · pith_short_8: SQ5TGL4J

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/SQ5TGL4JSFLKYRBJQYJPWP5WYS \
  | 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: 943b332f899156ac44298612fb3fb6c4af1449b2894a8f11660b0fb7ac70f197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2d8a085cb991da53e0a40110d29617e2b9e4ecd8654c3fa8181b4e0b1e33b0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-01T13:05:52Z",
    "title_canon_sha256": "6e767f1f33917d1230e0a63d208539f4a8d84c8f329e5ea2e637b7bc5c4b2202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00325",
    "kind": "arxiv",
    "version": 1
  }
}