Pith Number

pith:A4XUEBIN

pith:2007:A4XUEBINYRBTIEPAS5XQZJEEVV

not attested not anchored not stored refs pending

HV 11423: The Coolest Supergiant in the SMC

B. A. Skiff, Bertrand Plez, Emily M. Levesque, K. A. G. Olsen, Philip Massey

arxiv:astro-ph/0701769 v1 · 2007-01-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4XUEBINYRBTIEPAS5XQZJEEVV}

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	2026-05-18T04:29:06.881601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072f42050dc4433411e0976f0ca484ad6ad65fe22b89062fc703c8d43e4ecfc7

Aliases

arxiv: astro-ph/0701769 · arxiv_version: astro-ph/0701769v1 · doi: 10.48550/arxiv.astro-ph/0701769 · pith_short_12: A4XUEBINYRBT · pith_short_16: A4XUEBINYRBTIEPA · pith_short_8: A4XUEBIN

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/A4XUEBINYRBTIEPAS5XQZJEEVV \
  | 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: 072f42050dc4433411e0976f0ca484ad6ad65fe22b89062fc703c8d43e4ecfc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca4f2a8f3da0ec82ce413044a86f5ace03a1daacca28809938d3ead9eb7c61ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-26T12:53:48Z",
    "title_canon_sha256": "388f0c64ec81f9c6ef764d0cd78b7fb0e7d9c332efd661ab2e4dc6ce4d0be230"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701769",
    "kind": "arxiv",
    "version": 1
  }
}