Pith Number

pith:SQ2AA6TR

pith:2015:SQ2AA6TRWHQQXRQLIDS23XDFB4

not attested not anchored not stored refs pending

A closer look at a coronal loop rooted in a sunspot umbra

H. Peter, L. P. Chitta, P. R. Young

arxiv:1512.03831 v2 · 2015-12-11 · 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{SQ2AA6TRWHQQXRQLIDS23XDFB4}

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	2026-05-18T01:20:32.766538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9434007a71b1e10bc60b40e5addc650f23dbf2b52bc32bde611bef28005d9a95

Aliases

arxiv: 1512.03831 · arxiv_version: 1512.03831v2 · doi: 10.48550/arxiv.1512.03831 · pith_short_12: SQ2AA6TRWHQQ · pith_short_16: SQ2AA6TRWHQQXRQL · pith_short_8: SQ2AA6TR

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/SQ2AA6TRWHQQXRQLIDS23XDFB4 \
  | 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: 9434007a71b1e10bc60b40e5addc650f23dbf2b52bc32bde611bef28005d9a95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c7ca69d37be2b10c75b20b282ab83998bb33d3137c6de9fb22b49ab4926bafd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-11T21:18:48Z",
    "title_canon_sha256": "1c7efe5d2c634c9ccffd3cb43857d07ef55dc864aa6e263dc5d514b02deb98e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03831",
    "kind": "arxiv",
    "version": 2
  }
}