Pith Number

pith:DQ7DIYLY

pith:2012:DQ7DIYLYTRXHNDKMFHXB7ZX6C2

not attested not anchored not stored refs pending

Properties of Umbral Dots from Stray Light Corrected Hinode Filtergrams

A. Raja Bayanna, B. Ravindra, Kiyoshi Ichimoto, Luis R. Bellot Rubio, Rohan E. Louis, Shibu K. Mathew

arxiv:1204.4088 v2 · 2012-04-18 · 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{DQ7DIYLYTRXHNDKMFHXB7ZX6C2}

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	2026-05-18T01:57:49.313959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3e3461789c6e768d4c29ee1fe6fe16b0be8222dd8b9cb7b52ba92930aeb52c

Aliases

arxiv: 1204.4088 · arxiv_version: 1204.4088v2 · doi: 10.48550/arxiv.1204.4088 · pith_short_12: DQ7DIYLYTRXH · pith_short_16: DQ7DIYLYTRXHNDKM · pith_short_8: DQ7DIYLY

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/DQ7DIYLYTRXHNDKMFHXB7ZX6C2 \
  | 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: 1c3e3461789c6e768d4c29ee1fe6fe16b0be8222dd8b9cb7b52ba92930aeb52c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b31244dfdc1e07185f6f0385d75c0916bc5a933bcf6411b8f806c83fe98df60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-18T14:12:29Z",
    "title_canon_sha256": "a163e78c7b50a9dfceb1074a2a648ffdf7c3629b679a473f36f49de5f3a477a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4088",
    "kind": "arxiv",
    "version": 2
  }
}