Pith Number

pith:GGIGJ3T7

pith:2015:GGIGJ3T777YMCO5MZEMIOPAZS4

not attested not anchored not stored refs pending

The Megasecond Chandra X-Ray Visionary Project Observation of NGC 3115 (II): properties of point sources

Aaron J. Romanowsky, Dacheng Lin, Gregory R. Sivakoff, Jay Strader, Jean P. Brodie, Jeroen Homan, Jimmy A. Irwin, Ka-Wah Wong, Ronald A. Remillard, Zachary G. Jennings

arxiv:1506.05448 v1 · 2015-06-17 · astro-ph.HE · astro-ph.GA · 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{GGIGJ3T777YMCO5MZEMIOPAZS4}

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	2026-05-18T01:35:46.799249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

319064ee7ffff0c13bacc918873c19970928eee3c8e278a7e016fa7133905231

Aliases

arxiv: 1506.05448 · arxiv_version: 1506.05448v1 · doi: 10.48550/arxiv.1506.05448 · pith_short_12: GGIGJ3T777YM · pith_short_16: GGIGJ3T777YMCO5M · pith_short_8: GGIGJ3T7

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/GGIGJ3T777YMCO5MZEMIOPAZS4 \
  | 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: 319064ee7ffff0c13bacc918873c19970928eee3c8e278a7e016fa7133905231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022d9d3319bd3cb76804e7f423838d48ab56ee1dac866ac0bc4c72cf895e6fdb",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-06-17T19:58:55Z",
    "title_canon_sha256": "07c6f60a45443989d84f5eaa7f056970770289fd8b6a061cebe9f5f57855fe5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05448",
    "kind": "arxiv",
    "version": 1
  }
}