Pith Number

pith:VOQTHTRA

pith:2019:VOQTHTRAFTF26XVSPABTNYBTYN

not attested not anchored not stored refs pending

Penumbral brightening events observed in AR NOAA 12546

F. Giorgi, I. Ermolli, M. Murabito, M. Stangalini, S. L. Guglielmino

arxiv:1912.06002 v1 · 2019-12-12 · 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{VOQTHTRAFTF26XVSPABTNYBTYN}

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	2026-07-05T00:43:43.750816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba133ce202ccbaf5eb2780336e033c35136329019f52e0c65f8553c1bc27f2e

Aliases

arxiv: 1912.06002 · arxiv_version: 1912.06002v1 · doi: 10.48550/arxiv.1912.06002 · pith_short_12: VOQTHTRAFTF2 · pith_short_16: VOQTHTRAFTF26XVS · pith_short_8: VOQTHTRA

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/VOQTHTRAFTF26XVSPABTNYBTYN \
  | 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: aba133ce202ccbaf5eb2780336e033c35136329019f52e0c65f8553c1bc27f2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c7b6aeb0b9a1404b662cd53a6caa508248ab3f520a3fb14b7c31cc4edbb42eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-12T14:46:46Z",
    "title_canon_sha256": "525671d356c1641e4343516a5f691c702cc6a6bc0c12aa855800f6598bbe1f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06002",
    "kind": "arxiv",
    "version": 1
  }
}