Pith Number

pith:HGJMBDVS

pith:2011:HGJMBDVS75J5IOWOUXOYEFBSQO

not attested not anchored not stored refs pending

Observations of Supersonic Downflows Near the Umbra-Penumbra Boundary of Sunspots as Revealed by Hinode

Luis R. Bellot Rubio, P. Venkatakrishnan, Rohan E. Louis, Shibu K. Mathew

arxiv:1101.0751 v4 · 2011-01-04 · 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{HGJMBDVS75J5IOWOUXOYEFBSQO}

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	2026-05-18T02:23:05.580329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3992c08eb2ff53d43acea5dd82143283bb60af07b16a08548889be801f678bd5

Aliases

arxiv: 1101.0751 · arxiv_version: 1101.0751v4 · doi: 10.48550/arxiv.1101.0751 · pith_short_12: HGJMBDVS75J5 · pith_short_16: HGJMBDVS75J5IOWO · pith_short_8: HGJMBDVS

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/HGJMBDVS75J5IOWOUXOYEFBSQO \
  | 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: 3992c08eb2ff53d43acea5dd82143283bb60af07b16a08548889be801f678bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd57d78e175602b26b9cc8cbb48b3aa2e1f2c217db2c943be9144f9de0a541c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-04T16:10:55Z",
    "title_canon_sha256": "76cc832a1f969b04d6c4857a9d9e957df276ca42b57697b4f1a9b05c204500df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0751",
    "kind": "arxiv",
    "version": 4
  }
}