Pith Number

pith:NEYKHFXQ

pith:2013:NEYKHFXQZCQOSQJSHJSH2LYFKQ

not attested not anchored not stored refs pending

V0784 Ophiuchi: an RR Lyrae star with multiple Blazhko modulations

Franz-Josef Hambsch, Kenneth Menzies, Pierre de Ponthiere, Tom Krajci

arxiv:1306.5904 v1 · 2013-06-25 · 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{NEYKHFXQZCQOSQJSHJSH2LYFKQ}

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	2026-05-18T03:19:58.210529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6930a396f0c8a0e941323a647d2f05541465025b3d9de6c2be4584f0159b1de7

Aliases

arxiv: 1306.5904 · arxiv_version: 1306.5904v1 · doi: 10.48550/arxiv.1306.5904 · pith_short_12: NEYKHFXQZCQO · pith_short_16: NEYKHFXQZCQOSQJS · pith_short_8: NEYKHFXQ

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/NEYKHFXQZCQOSQJSHJSH2LYFKQ \
  | 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: 6930a396f0c8a0e941323a647d2f05541465025b3d9de6c2be4584f0159b1de7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f824714ba64ea10d1ea199fc48179e1a74cd1d98893910cc88f832398a3de32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-25T10:00:47Z",
    "title_canon_sha256": "42a544794a89c3741fadf372162bd88e2485f6676021808044d24b7a8adeaa15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5904",
    "kind": "arxiv",
    "version": 1
  }
}