Pith Number

pith:OSPQC7SU

pith:2019:OSPQC7SUCYHC4WFOQE7ZHK34BF

not attested not anchored not stored refs pending

EUV observations of cool dwarf stars

Adam Kowalski, Allison Youngblood, Brian Fleming, Cecilia Garraffo, Cynthia Froning, Guillaume Gronoff, Herbert Lichtenegger, James Mason, Jeremy Drake, Joel Allred, Kevin France, Luca Fossati, Meng Jin, Rachel Osten, Tommi Koskinen, Ute Amerstorfer, Vincent Bourrier, Zachory Berta-Thompson

arxiv:1903.05719 v1 · 2019-03-13 · 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{OSPQC7SUCYHC4WFOQE7ZHK34BF}

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	2026-05-17T23:51:16.424565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749f017e54160e2e58ae813f93ab7c09604d2339e25849552c9dfacacbaf0454

Aliases

arxiv: 1903.05719 · arxiv_version: 1903.05719v1 · doi: 10.48550/arxiv.1903.05719 · pith_short_12: OSPQC7SUCYHC · pith_short_16: OSPQC7SUCYHC4WFO · pith_short_8: OSPQC7SU

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/OSPQC7SUCYHC4WFOQE7ZHK34BF \
  | 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: 749f017e54160e2e58ae813f93ab7c09604d2339e25849552c9dfacacbaf0454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5a31cecafb457cb8ae5331058ef1579983bf42b575f653d4f6873548bd7083a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-13T21:20:15Z",
    "title_canon_sha256": "935ec81018e498a0b0dbf0be59712721c12ef11989adddb4afcf71766bbbae2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05719",
    "kind": "arxiv",
    "version": 1
  }
}