Pith Number

pith:Q45U2L3D

pith:2018:Q45U2L3DPQE24ZBI77TB2HIJMC

not attested not anchored not stored refs pending

Spots, flares, accretion, and obscuration in the pre-main sequence binary DQ Tau

\'A. K\'osp\'al, A. Mo\'or, A. P\'al, G. Zsidi, K. Vida, P. \'Abrah\'am, R. Szab\'o

arxiv:1806.01546 v1 · 2018-06-05 · 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{Q45U2L3DPQE24ZBI77TB2HIJMC}

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	2026-05-18T00:08:41.328024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873b4d2f637c09ae6428ffe61d1d096081e4cdbdbdce019ef8b4753a7b550efa

Aliases

arxiv: 1806.01546 · arxiv_version: 1806.01546v1 · doi: 10.48550/arxiv.1806.01546 · pith_short_12: Q45U2L3DPQE2 · pith_short_16: Q45U2L3DPQE24ZBI · pith_short_8: Q45U2L3D

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/Q45U2L3DPQE24ZBI77TB2HIJMC \
  | 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: 873b4d2f637c09ae6428ffe61d1d096081e4cdbdbdce019ef8b4753a7b550efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a087d7ce84b3d7c731ec5a660d1b40cfe85e2b0be4ab08c5b27c9b747a508ec1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-05T08:23:20Z",
    "title_canon_sha256": "dd5476aac36c0237ceb646ac5cdb7095338a6badbad3a54de35fcbd876d2f236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01546",
    "kind": "arxiv",
    "version": 1
  }
}