Pith Number

pith:QZ23VKV2

pith:2018:QZ23VKV2YC37FM742FDZA6I6RN

not attested not anchored not stored refs pending

Inference of stellar parameters from brightness variations

Daniel Foreman-Mackey, David W. Hogg, Matteo Cantiello, Melissa K. Ness, Mikkel N. Lund, Ruth Angus, Victor Silva Aguirre

arxiv:1805.04519 v1 · 2018-05-11 · 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{QZ23VKV2YC37FM742FDZA6I6RN}

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	2026-05-18T00:03:05.853207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8675baaabac0b7f2b3fcd14790791e8b716c0c02f98eeb657eea774079eddd06

Aliases

arxiv: 1805.04519 · arxiv_version: 1805.04519v1 · doi: 10.48550/arxiv.1805.04519 · pith_short_12: QZ23VKV2YC37 · pith_short_16: QZ23VKV2YC37FM74 · pith_short_8: QZ23VKV2

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/QZ23VKV2YC37FM742FDZA6I6RN \
  | 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: 8675baaabac0b7f2b3fcd14790791e8b716c0c02f98eeb657eea774079eddd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "532ee82c7c58d12e21a0172133399cddd17e546bf25c18daebcab2b37ebb85c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-11T18:00:00Z",
    "title_canon_sha256": "b635b7edcb73b1f12007b90eef17c17ef3c43238a8971deb3569f7a3f697e2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04519",
    "kind": "arxiv",
    "version": 1
  }
}