Pith Number

pith:23MO4NFP

pith:2012:23MO4NFP26G7JOFLPZYTNVFMAH

not attested not anchored not stored refs pending

Spectroscopy and Multi-color Photometry of U Scorpii at the Earliest Stage of 2010 Outburst

Kazuyoshi Imamura, Kenji Tanabe

arxiv:1201.1544 v1 · 2012-01-07 · 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{23MO4NFP26G7JOFLPZYTNVFMAH}

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	2026-05-18T04:05:03.117436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6d8ee34afd78df4b8ab7e7136d4ac01c73950119887c9759a054cb8a9cbd0f8

Aliases

arxiv: 1201.1544 · arxiv_version: 1201.1544v1 · doi: 10.48550/arxiv.1201.1544 · pith_short_12: 23MO4NFP26G7 · pith_short_16: 23MO4NFP26G7JOFL · pith_short_8: 23MO4NFP

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/23MO4NFP26G7JOFLPZYTNVFMAH \
  | 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: d6d8ee34afd78df4b8ab7e7136d4ac01c73950119887c9759a054cb8a9cbd0f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d1976dd194f16450e49f67e903f9087e00df1eb74dd5b959182b09a52a7f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-07T11:06:31Z",
    "title_canon_sha256": "84e4fb47caed930f62b17e6f969c978bc0c68d2af37e64fa421f95934ec4fb56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1544",
    "kind": "arxiv",
    "version": 1
  }
}