Pith Number

pith:NPIBEXE3

pith:2016:NPIBEXE3RO7QAP465L6CLCQPPO

not attested not anchored not stored refs pending

Keck/MOSFIRE spectroscopy of five ULX counterparts

D. J. Walton, D.-S. Moon, D. Stern, F. A. Harrison, M. A. P. Torres, M. Heida, P. G. Jonker, T. P. Roberts

arxiv:1603.07024 v1 · 2016-03-22 · 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{NPIBEXE3RO7QAP465L6CLCQPPO}

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	2026-05-18T01:16:39.461513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd0125c9b8bbf003f9eeafc258a0f7ba55a1d3756a0aeb59a92d85142e2fcfe

Aliases

arxiv: 1603.07024 · arxiv_version: 1603.07024v1 · doi: 10.48550/arxiv.1603.07024 · pith_short_12: NPIBEXE3RO7Q · pith_short_16: NPIBEXE3RO7QAP46 · pith_short_8: NPIBEXE3

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/NPIBEXE3RO7QAP465L6CLCQPPO \
  | 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: 6bd0125c9b8bbf003f9eeafc258a0f7ba55a1d3756a0aeb59a92d85142e2fcfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "458fc08864d29914e1c213f9af8a65be3ea124572b01e058e338bde493093c91",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-22T23:01:25Z",
    "title_canon_sha256": "32d9d2d11e661fdebf187d95fd50a9922dd30fc7fc83b93324814a004519429f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07024",
    "kind": "arxiv",
    "version": 1
  }
}