Pith Number

pith:LHKTC2LL

pith:2010:LHKTC2LLC26O7B7NSUN3AY4KFK

not attested not anchored not stored refs pending

HST/COS Spectroscopy of H1504+65

Klaus Werner, Thomas Rauch

arxiv:1012.5222 v1 · 2010-12-23 · 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{LHKTC2LLC26O7B7NSUN3AY4KFK}

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	2026-05-18T02:04:18.094542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59d531696b16bcef87ed951bb0638a2a8ea32ef7900f16d6b6912cea9526a6c6

Aliases

arxiv: 1012.5222 · arxiv_version: 1012.5222v1 · doi: 10.48550/arxiv.1012.5222 · pith_short_12: LHKTC2LLC26O · pith_short_16: LHKTC2LLC26O7B7N · pith_short_8: LHKTC2LL

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/LHKTC2LLC26O7B7NSUN3AY4KFK \
  | 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: 59d531696b16bcef87ed951bb0638a2a8ea32ef7900f16d6b6912cea9526a6c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "696a39a0f8a7d0057389f24eabfab6466372debd44d139fc446ae8a55cc6fed0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-23T15:05:41Z",
    "title_canon_sha256": "4214254a1eb6dfb0fa6a008a952c3a1ca50b3de1dfa3742a54f21a261129661a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5222",
    "kind": "arxiv",
    "version": 1
  }
}