Pith Number

pith:I7XRRT3V

pith:2012:I7XRRT3VR3FL3WKTF4PY46Y634

not attested not anchored not stored refs pending

Sun-as-a-Star Observation of Flares in Lyman {\alpha} by the PROBA2/LYRA radiometer

I.E. Dammasch, M. Dominique, M. Kretzschmar

arxiv:1210.2169 v1 · 2012-10-08 · 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{I7XRRT3VR3FL3WKTF4PY46Y634}

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	2026-05-18T01:54:04.768103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ef18cf758ecabdd9532f1f8e7b1edf0c8e218dd49ac9124010473a446ecae1

Aliases

arxiv: 1210.2169 · arxiv_version: 1210.2169v1 · doi: 10.48550/arxiv.1210.2169 · pith_short_12: I7XRRT3VR3FL · pith_short_16: I7XRRT3VR3FL3WKT · pith_short_8: I7XRRT3V

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/I7XRRT3VR3FL3WKTF4PY46Y634 \
  | 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: 47ef18cf758ecabdd9532f1f8e7b1edf0c8e218dd49ac9124010473a446ecae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01cbf9c6b7acfbf59c808401c4f81958701544904704a0d36b16a2357be835e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-08T07:43:04Z",
    "title_canon_sha256": "7738001400db3a8bbb4b3b54382e28540a3640ca2fe69f21dbaaba7d569415e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2169",
    "kind": "arxiv",
    "version": 1
  }
}