Pith Number

pith:JSBRA2PH

pith:2019:JSBRA2PHDEBXCXCNQXPEZFEE26

not attested not anchored not stored refs pending

A broadband look at the old and new ULXs of NGC 6946

Brian W. Grefenstette, Daniel Stern, Didier Barret, Dominic J. Walton, Felix F\"urst, Fiona A. Harrison, Hannah P. Earnshaw, Marianne Heida, Murray Brightman, Natalie A. Webb, Sean N. Pike

arxiv:1905.03383 v1 · 2019-05-08 · 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{JSBRA2PHDEBXCXCNQXPEZFEE26}

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	2026-07-04T23:55:41.464235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c831069e71903715c4d85de4c9484d7b298127bb8ae5238344058ed6e156474

Aliases

arxiv: 1905.03383 · arxiv_version: 1905.03383v1 · doi: 10.48550/arxiv.1905.03383 · pith_short_12: JSBRA2PHDEBX · pith_short_16: JSBRA2PHDEBXCXCN · pith_short_8: JSBRA2PH

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/JSBRA2PHDEBXCXCNQXPEZFEE26 \
  | 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: 4c831069e71903715c4d85de4c9484d7b298127bb8ae5238344058ed6e156474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d84e1216b20641c493f3d45600bda8455dc7bbdfc5ea8d414e739f2f56be724",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-08T22:41:41Z",
    "title_canon_sha256": "b2738501eeca968023ee433539829f47c5b2a0bcdafa907a165f1b213ac7d8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03383",
    "kind": "arxiv",
    "version": 1
  }
}