Pith Number

pith:Z7JFEP6X

pith:2015:Z7JFEP6XA4GPOCHT5OGFJF5BGV

not attested not anchored not stored refs pending

Investigation of Umbral Dots with the New Vacuum Solar Telescope

Feng Wang, Hui Deng, Kaifan Ji, Song Feng, Xia Jiang, Yunfei Yang

arxiv:1509.00312 v4 · 2015-09-01 · 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{Z7JFEP6XA4GPOCHT5OGFJF5BGV}

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	2026-05-18T01:23:55.609455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfd2523fd7070cf708f3eb8c5497a1357b8e219c6e858c4a35eb37658fb157cf

Aliases

arxiv: 1509.00312 · arxiv_version: 1509.00312v4 · doi: 10.48550/arxiv.1509.00312 · pith_short_12: Z7JFEP6XA4GP · pith_short_16: Z7JFEP6XA4GPOCHT · pith_short_8: Z7JFEP6X

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/Z7JFEP6XA4GPOCHT5OGFJF5BGV \
  | 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: cfd2523fd7070cf708f3eb8c5497a1357b8e219c6e858c4a35eb37658fb157cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0375ee5d473b42daf30751b459295ab406ddc05872bfd95730b52c999494ef32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-01T14:27:47Z",
    "title_canon_sha256": "baa3d911a10d82d8555bcb9cfbaea809954860cb730f1daa080c5cacf4629a9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00312",
    "kind": "arxiv",
    "version": 4
  }
}