Pith Number

pith:75G2SURE

pith:2010:75G2SUREEUVC6OFMISIYHYJUVB

not attested not anchored not stored refs pending

Infrared Spectroscopic Observations of the Secondary Stars of Short Period Sub-Gap Cataclysmic Variables

Claus Tappert, Ryan T. Hamilton, Steve B. Howell, Thomas E. Harrison

arxiv:1012.1368 v1 · 2010-12-07 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75G2SUREEUVC6OFMISIYHYJUVB}

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	2026-05-18T02:04:32.282372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4da95224252a2f38ac449183e134a87073e91dffa8d7d7f9d3a4e672fbaa51

Aliases

arxiv: 1012.1368 · arxiv_version: 1012.1368v1 · doi: 10.48550/arxiv.1012.1368 · pith_short_12: 75G2SUREEUVC · pith_short_16: 75G2SUREEUVC6OFM · pith_short_8: 75G2SURE

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/75G2SUREEUVC6OFMISIYHYJUVB \
  | 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: ff4da95224252a2f38ac449183e134a87073e91dffa8d7d7f9d3a4e672fbaa51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f85fcffc12b34fa6cd816987246d512f5e10063bc59759817c419650f9ddea",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-07T00:04:27Z",
    "title_canon_sha256": "946a30f2e515ec56998c5217424a9a9db679a6a62e1f6107ab36f14a9b63c21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1368",
    "kind": "arxiv",
    "version": 1
  }
}