Pith Number

pith:URTKQVDC

pith:2010:URTKQVDCDYLQH6GUSHUUXJ57A4

not attested not anchored not stored refs pending

Spectral variability in faint high frequency peakers

((1) Bologna University, 2), (2) INAF-IRA Bologna, C. Stanghellini (2), D. Dallacasa (1, Italy, Italy), M. Orienti (1

arxiv:1006.2049 v1 · 2010-06-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URTKQVDCDYLQH6GUSHUUXJ57A4}

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	2026-05-18T02:06:55.100934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a466a854621e1703f8d491e94ba7bf071b4c3a742a33cf36f1775e62f43c61a5

Aliases

arxiv: 1006.2049 · arxiv_version: 1006.2049v1 · doi: 10.48550/arxiv.1006.2049 · pith_short_12: URTKQVDCDYLQ · pith_short_16: URTKQVDCDYLQH6GU · pith_short_8: URTKQVDC

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/URTKQVDCDYLQH6GUSHUUXJ57A4 \
  | 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: a466a854621e1703f8d491e94ba7bf071b4c3a742a33cf36f1775e62f43c61a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e5b845a8532874e6a8d45774eb45df4ca4ee6d3bab0162fc6668d912efb558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-10T14:58:53Z",
    "title_canon_sha256": "ad71959271c44f407e720a3207ae736c91e0ba682993e05157ad7ff9e5245c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2049",
    "kind": "arxiv",
    "version": 1
  }
}