Pith Number

pith:ATQFJ6I2

pith:2012:ATQFJ6I2UPA7RVTJSXTV6JYHGZ

not attested not anchored not stored refs pending

MOST Observations of the Flare Star AD Leo

Adam F. Kowalski, Eric J Hilton, Jayme M. Matthews, Nicholas M. Hunt-Walker, Suzanne L. Hawley

arxiv:1206.5019 v1 · 2012-06-21 · 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{ATQFJ6I2UPA7RVTJSXTV6JYHGZ}

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	2026-05-18T01:56:43.466558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e054f91aa3c1f8d66995e75f270736465d8480554421062b18c724a6fcecc3

Aliases

arxiv: 1206.5019 · arxiv_version: 1206.5019v1 · doi: 10.48550/arxiv.1206.5019 · pith_short_12: ATQFJ6I2UPA7 · pith_short_16: ATQFJ6I2UPA7RVTJ · pith_short_8: ATQFJ6I2

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/ATQFJ6I2UPA7RVTJSXTV6JYHGZ \
  | 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: 04e054f91aa3c1f8d66995e75f270736465d8480554421062b18c724a6fcecc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08004f6f2aa17d9226ae6e552ce04d5769d56e49393bec9d88e2f5129eafee1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-21T21:19:50Z",
    "title_canon_sha256": "e1712d161db968320225ed95bdccb29ceb7af837c771a7570f6c863d6a8718a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5019",
    "kind": "arxiv",
    "version": 1
  }
}