Pith Number

pith:VYKPW4ZN

pith:2018:VYKPW4ZNUIQT75DFGK2STJ63L4

not attested not anchored not stored refs pending

Untwisting and Disintegration of a Solar Filament Associated with Photospheric Flux Cancellation

Huadong Chen, Leping Li, Ruisheng Zheng, Shuhong Yang, Suli Ma, Yi Bi

arxiv:1812.07139 v1 · 2018-12-18 · 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{VYKPW4ZNUIQT75DFGK2STJ63L4}

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	2026-05-17T23:54:15.514196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae14fb732da2213ff46532b529a7db5f0357fa29ab1bb6c97c17f4eda1a47199

Aliases

arxiv: 1812.07139 · arxiv_version: 1812.07139v1 · doi: 10.48550/arxiv.1812.07139 · pith_short_12: VYKPW4ZNUIQT · pith_short_16: VYKPW4ZNUIQT75DF · pith_short_8: VYKPW4ZN

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/VYKPW4ZNUIQT75DFGK2STJ63L4 \
  | 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: ae14fb732da2213ff46532b529a7db5f0357fa29ab1bb6c97c17f4eda1a47199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfc29f8d54cc77750703d715632ea3ffb2fa80b3159d3ddcd849ceca7cb1c881",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-18T02:36:04Z",
    "title_canon_sha256": "3cfb872fe79b85ca6bd21497be274d39a04e382b9a20699f7c579734d33e61e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07139",
    "kind": "arxiv",
    "version": 1
  }
}