Pith Number

pith:PL3GLPPE

pith:2015:PL3GLPPEYTDUFLWGMSXXUWFHIV

not attested not anchored not stored refs pending

Optical spectroscopy of the high-mass gamma-ray binary 1FGL J1018.6-5856: A probable neutron star primary

C.C. Cheung (NRL), Jay Strader (Michigan St), Laura Chomiuk (Michigan St), Mark Peacock (Michigan St), Ricardo Salinas (Gemini)

arxiv:1510.06031 v1 · 2015-10-20 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL3GLPPEYTDUFLWGMSXXUWFHIV}

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	2026-05-18T01:27:22.064591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af665bde4c4c742aec664af7a58a7455d64561c5aabf62909103762d707a786

Aliases

arxiv: 1510.06031 · arxiv_version: 1510.06031v1 · doi: 10.48550/arxiv.1510.06031 · pith_short_12: PL3GLPPEYTDU · pith_short_16: PL3GLPPEYTDUFLWG · pith_short_8: PL3GLPPE

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/PL3GLPPEYTDUFLWGMSXXUWFHIV \
  | 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: 7af665bde4c4c742aec664af7a58a7455d64561c5aabf62909103762d707a786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77daa52fbc3698aed890879981919b86b08b257c23e689a5325ddb68ebb4266f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-20T20:05:07Z",
    "title_canon_sha256": "c819fdbbe6b034e44413601bdbb48b3f36a2761f11c35b6260d3591f34a3e84f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06031",
    "kind": "arxiv",
    "version": 1
  }
}