Pith Number

pith:SDWSJMFI

pith:2021:SDWSJMFIQUW7XOEZB6WLN3I27V

not attested not anchored not stored refs pending

The Effects of Starspots on Spectroscopic Mass Estimates of Low-mass Young Stars

B. Reipurth, C. Flores, G. Duch\^ene, M. S. Connelley

arxiv:2111.03957 v1 · 2021-11-06 · 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{SDWSJMFIQUW7XOEZB6WLN3I27V}

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	2026-07-05T03:53:10.466251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ed24b0a8852dfbb8990facb6ed1afd594a3912c78f21a2524ee868f4528f4b

Aliases

arxiv: 2111.03957 · arxiv_version: 2111.03957v1 · doi: 10.48550/arxiv.2111.03957 · pith_short_12: SDWSJMFIQUW7 · pith_short_16: SDWSJMFIQUW7XOEZ · pith_short_8: SDWSJMFI

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/SDWSJMFIQUW7XOEZB6WLN3I27V \
  | 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: 90ed24b0a8852dfbb8990facb6ed1afd594a3912c78f21a2524ee868f4528f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e663b0c920f17b0f0b7e6575610e92365111e8254b48ff6f4390b4f2b78ed3a6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-06T20:12:52Z",
    "title_canon_sha256": "a7bf772b2a68ff97e872239c919e5073d1277d2931278b2e7d72db431d3dff16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03957",
    "kind": "arxiv",
    "version": 1
  }
}