Pith Number

pith:4PTX7SNW

pith:2022:4PTX7SNW3ZRT7VMH5KNZAJIRJU

not attested not anchored not stored refs pending

Ultraviolet and X-ray light-curves of novae observed by the Neil Gehrels Swift Observatory

(2) Mullard Space Science Laboratory, J.P. Osborne (1) ((1) University of Leicester, K.L. Page (1), N.P.M. Kuin (2), University College London)

arxiv:2212.00409 v1 · 2022-12-01 · 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{4PTX7SNW3ZRT7VMH5KNZAJIRJU}

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	2026-07-05T05:21:33.913685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e77fc9b6de633fd587ea9b9025114d0b4ae3bf0cac6565027b0432c3cb3c12

Aliases

arxiv: 2212.00409 · arxiv_version: 2212.00409v1 · doi: 10.48550/arxiv.2212.00409 · pith_short_12: 4PTX7SNW3ZRT · pith_short_16: 4PTX7SNW3ZRT7VMH · pith_short_8: 4PTX7SNW

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/4PTX7SNW3ZRT7VMH5KNZAJIRJU \
  | 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: e3e77fc9b6de633fd587ea9b9025114d0b4ae3bf0cac6565027b0432c3cb3c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0fbe67be4849d466f27e08f9a0ef099ace2aff896d0cc1f043470931d332ab5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-12-01T10:25:45Z",
    "title_canon_sha256": "54a7d07a2f68e28ff5f40f8970148ea37962756f036243ae881845b92daf603b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.00409",
    "kind": "arxiv",
    "version": 1
  }
}