Pith Number

pith:ON2FWSMT

pith:2018:ON2FWSMT7AD53FEZS3GGHJ7VCO

not attested not anchored not stored refs pending

Discovery of New Dipper Stars with K2: A Window into the Inner Disk Region of T Tauri Stars

Christina Hedges, Grant Kennedy, Simon Hodgkin

arxiv:1802.00409 v1 · 2018-02-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ON2FWSMT7AD53FEZS3GGHJ7VCO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:22:22.801967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73745b4993f807dd949996cc63a7f5139b1b34045f610450915942ba42758c31

Aliases

arxiv: 1802.00409 · arxiv_version: 1802.00409v1 · doi: 10.48550/arxiv.1802.00409 · pith_short_12: ON2FWSMT7AD5 · pith_short_16: ON2FWSMT7AD53FEZ · pith_short_8: ON2FWSMT

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/ON2FWSMT7AD53FEZS3GGHJ7VCO \
  | 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: 73745b4993f807dd949996cc63a7f5139b1b34045f610450915942ba42758c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53568d862f02f82b91b1caaccae68c3766e1c62469f3104854a04d567918d50d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-01T17:35:32Z",
    "title_canon_sha256": "18c246c3856d14dfab32a1699581976d48f12e8559e7f79a05fa4cead2d32b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00409",
    "kind": "arxiv",
    "version": 1
  }
}