Pith Number

pith:QD46EETY

pith:2014:QD46EETYR4UXU56OG2VSBP2NCS

not attested not anchored not stored refs pending

Surface layer independent model fitting by phase matching: theory and application to HD49933 an HD177153 (aka Perky)

Ian W. Roxburgh

arxiv:1406.6491 v3 · 2014-06-25 · 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{QD46EETYR4UXU56OG2VSBP2NCS}

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	2026-05-18T01:42:50.538128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f9e212788f297a77ce36ab20bf4d14818790e60f6b509a3ad27b9df637dfca

Aliases

arxiv: 1406.6491 · arxiv_version: 1406.6491v3 · doi: 10.48550/arxiv.1406.6491 · pith_short_12: QD46EETYR4UX · pith_short_16: QD46EETYR4UXU56O · pith_short_8: QD46EETY

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/QD46EETYR4UXU56OG2VSBP2NCS \
  | 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: 80f9e212788f297a77ce36ab20bf4d14818790e60f6b509a3ad27b9df637dfca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f46406f5a7077f0bdbfca8b02566bbb4c80093c1a3fe28ed63c95be8188bc63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-25T08:22:36Z",
    "title_canon_sha256": "851b57415cacd3d11e50b68b171cb452e9720b71dffebb58ed0224db61eb737b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6491",
    "kind": "arxiv",
    "version": 3
  }
}