Pith Number

pith:UEQ76SJY

pith:2012:UEQ76SJYV3DFOLTDFIOOFB2Y2K

not attested not anchored not stored refs pending

Chandra grating spectroscopy of three hot white dwarfs

J. Adamczak, J. J. Drake, J. W. Kruk, K. Werner, S. Schuh, T. Rauch

arxiv:1208.4478 v1 · 2012-08-22 · 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{UEQ76SJYV3DFOLTDFIOOFB2Y2K}

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	2026-05-18T01:54:59.755023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a121ff4938aec6572e632a1ce28758d2b73ffe83d4d143b4e630b73e3d52db79

Aliases

arxiv: 1208.4478 · arxiv_version: 1208.4478v1 · doi: 10.48550/arxiv.1208.4478 · pith_short_12: UEQ76SJYV3DF · pith_short_16: UEQ76SJYV3DFOLTD · pith_short_8: UEQ76SJY

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/UEQ76SJYV3DFOLTDFIOOFB2Y2K \
  | 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: a121ff4938aec6572e632a1ce28758d2b73ffe83d4d143b4e630b73e3d52db79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e9ff68cb71ced23ee7ebf60787447df1caf8fb174fa9a37620a53a48dba90b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-22T11:25:09Z",
    "title_canon_sha256": "2ca0c91408641e2133b510cbad0d33851db9018eae0a26630d1ecd46915bbfc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4478",
    "kind": "arxiv",
    "version": 1
  }
}