Pith Number

pith:6EX2DFYW

pith:2022:6EX2DFYWPPHMM5YRTRVGBKCPRR

not attested not anchored not stored refs pending

Multi-colour optical light curves of the companion star to the millisecond pulsar PSR J2051-0827

A. J. Brown, B. W. Stappers, C. J. Clark, D. I. Sahman, D. Mata S\'anchez, E. Breedt, G. Voisin, I. Pelisoli, J. F. Wild, M. H. van Kerkwijk, M. J. Dyer, M. J. Green, M. R. Kennedy, P. Kerry, R. P. Breton, S. G. Parsons, S. P. Littlefair, T. R. Marsh, V. S. Dhillon

arxiv:2208.09249 v1 · 2022-08-19 · astro-ph.SR · 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{6EX2DFYWPPHMM5YRTRVGBKCPRR}

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	2026-07-05T04:53:04.583548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f12fa197167bcec677119c6a60a84f8c7baeb30c78984c548e6cdd2dbfc86c31

Aliases

arxiv: 2208.09249 · arxiv_version: 2208.09249v1 · doi: 10.48550/arxiv.2208.09249 · pith_short_12: 6EX2DFYWPPHM · pith_short_16: 6EX2DFYWPPHMM5YR · pith_short_8: 6EX2DFYW

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/6EX2DFYWPPHMM5YRTRVGBKCPRR \
  | 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: f12fa197167bcec677119c6a60a84f8c7baeb30c78984c548e6cdd2dbfc86c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99acf2b20dedd9804f66a4d1b9fd317ecd4dd314ac81653f973d1f0abd04fc14",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-08-19T10:06:23Z",
    "title_canon_sha256": "d57bff492dbf9b1af6277259e9d906ca3f06cba71aa63970bff1371b30a93181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09249",
    "kind": "arxiv",
    "version": 1
  }
}