Pith Number

pith:PNPXNVSO

pith:2015:PNPXNVSOAH6YJ6YKXFEZY2K6CV

not attested not anchored not stored refs pending

1FGL J1417.7-4407: A likely gamma-ray bright binary with a massive neutron star and a giant secondary

C. C. Cheung (NRL), Dana Koeppe (Michigan St.), Daniel Reichart (UNC), Davide Donato (CRESST/Maryland), David J. Sand (Texas Tech), Jamie Stevens (CSIRO), Jay Strader (Michigan St.), Joshua Haislip (UNC), Laura Chomiuk (Michigan St.), Leonid Petrov (Astrogeo), Mark Peacock (Michigan St.), Philip G. Edwards (CSIRO), Ricardo Salinas (Michigan St.), Robin Corbet (CRESST), Thomas Finzell (Michigan St.)

arxiv:1502.05999 v2 · 2015-02-20 · 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{PNPXNVSOAH6YJ6YKXFEZY2K6CV}

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	2026-05-18T01:41:00.538251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5f76d64e01fd84fb0ab9499c695e1554576707b0f206e5c73451b1efad6f5d

Aliases

arxiv: 1502.05999 · arxiv_version: 1502.05999v2 · doi: 10.48550/arxiv.1502.05999 · pith_short_12: PNPXNVSOAH6Y · pith_short_16: PNPXNVSOAH6YJ6YK · pith_short_8: PNPXNVSO

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/PNPXNVSOAH6YJ6YKXFEZY2K6CV \
  | 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: 7b5f76d64e01fd84fb0ab9499c695e1554576707b0f206e5c73451b1efad6f5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba6f052ba383d8c87ce52759d7eaf2459407fafd5bf4a315b959c5079f8fdb6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-20T21:00:09Z",
    "title_canon_sha256": "ac0e3efed073c6041f83a121e827768c3c0f95f01d92a05a46deceb8b5b9500d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05999",
    "kind": "arxiv",
    "version": 2
  }
}