Pith Number

pith:XCOJVRPI

pith:2011:XCOJVRPI6N5ZOBAG5PHRTG2IC4

not attested not anchored not stored refs pending

Umbral Dots Observed in Photometric Images taken with 1.6 m Solar Telescope

Aleksandra Andic

arxiv:1111.2362 v1 · 2011-11-09 · 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{XCOJVRPI6N5ZOBAG5PHRTG2IC4}

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	2026-05-18T01:59:42.895834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89c9ac5e8f37b970406ebcf199b4817005c475612fcc48078eda953b82f5e27

Aliases

arxiv: 1111.2362 · arxiv_version: 1111.2362v1 · doi: 10.48550/arxiv.1111.2362 · pith_short_12: XCOJVRPI6N5Z · pith_short_16: XCOJVRPI6N5ZOBAG · pith_short_8: XCOJVRPI

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/XCOJVRPI6N5ZOBAG5PHRTG2IC4 \
  | 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: b89c9ac5e8f37b970406ebcf199b4817005c475612fcc48078eda953b82f5e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4330c33e464e1fde3a197af5dc5f942aaa6aa31e4cd76a61bf374e6439101396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-09T23:13:28Z",
    "title_canon_sha256": "90ac81a16a53de2eb1956080ad84f9e1d7299f21a7a13ccdcb831fd3fb5b0396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2362",
    "kind": "arxiv",
    "version": 1
  }
}