Pith Number

pith:FJN6B6AK

pith:2019:FJN6B6AKFWVSSLWBHT2Y4MFESD

not attested not anchored not stored refs pending

Chandra Spectral and Timing Analysis of Sgr A*'s Brightest X-ray Flares

Brayden Mon (McGill/MSI), Craig Heinke (U Alberta), Daryl Haggard (McGill/MSI), Farhad Yusef-Zadeh (Northwestern U/CIERA), Francesco Coti Zelati (CSIC/IEEC), Fred Baganoff (MIT Kavli), Gabriele Ponti (INAF-OA-Brera/Max-Planck), Geoffrey C. Bower (ASIAA), Jason Dexter (Max-Planck/JILA/U Colorado), Joern Wilms (U Erlangen-Nuremberg), Joseph Neilsen (Villanova), Lia R. Corrales (U Michigan), Mark R. Morris (UCLA), Melania Nynka (MIT Kavli/McGill/MSI), Michael Nowak (Wash U), Nanda Rea (CSIC/IEEC), Nathalie Degenaar (U Amsterdam), Noelia de la Cruz Hernandez (McGill/MSI), P. Chris Fragile (Charleston), Sera Markoff (U Amsterdam/GRAPPA)

arxiv:1908.01781 v2 · 2019-08-05 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJN6B6AKFWVSSLWBHT2Y4MFESD}

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	2026-07-05T00:23:50.830269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a5be0f80a2dab292ec13cf58e30a490f21a9190117e3a47deb5789acd034f6f

Aliases

arxiv: 1908.01781 · arxiv_version: 1908.01781v2 · doi: 10.48550/arxiv.1908.01781 · pith_short_12: FJN6B6AKFWVS · pith_short_16: FJN6B6AKFWVSSLWB · pith_short_8: FJN6B6AK

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/FJN6B6AKFWVSSLWBHT2Y4MFESD \
  | 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: 2a5be0f80a2dab292ec13cf58e30a490f21a9190117e3a47deb5789acd034f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35bb7086c2ae4f782aabf36b1025a6d0619be6cecfa31f2f0c20a26b3e11efd9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-05T18:00:15Z",
    "title_canon_sha256": "9b50cad989d906344302443675d5bb720cd57dc45e8951ec6fd67ab8b9a98f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01781",
    "kind": "arxiv",
    "version": 2
  }
}