Pith Number

pith:A7CPT4SU

pith:2009:A7CPT4SUWX6IUS3XHISR5JOGNM

not attested not anchored not stored refs pending

A Detailed Far-Ultraviolet Spectral Atlas of Main Sequence B Stars

Myron A. Smith

arxiv:0911.4747 v2 · 2009-11-25 · 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{A7CPT4SUWX6IUS3XHISR5JOGNM}

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	2026-05-18T02:34:03.715399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c4f9f254b5fc8a4b773a251ea5c66b0d29b9cae64df3f1865cf58401766767

Aliases

arxiv: 0911.4747 · arxiv_version: 0911.4747v2 · doi: 10.48550/arxiv.0911.4747 · pith_short_12: A7CPT4SUWX6I · pith_short_16: A7CPT4SUWX6IUS3X · pith_short_8: A7CPT4SU

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/A7CPT4SUWX6IUS3XHISR5JOGNM \
  | 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: 07c4f9f254b5fc8a4b773a251ea5c66b0d29b9cae64df3f1865cf58401766767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea0cb12d7cdf30a65c95226acf16798a5e7594778ab3cf96930f31cb0340f5d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-25T02:10:28Z",
    "title_canon_sha256": "0b6c137c09d8740ca2881956eddaa4b10365b8a0ea177213c917b37157fe7b4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4747",
    "kind": "arxiv",
    "version": 2
  }
}