Pith Number

pith:I7XWALHT

pith:2018:I7XWALHTRMUZDXT2TASJOETGZF

not attested not anchored not stored refs pending

Helium abundance and speed difference between helium ions and protons in the solar wind from coronal holes, active regions, and quiet Sun

Bo Li, Hui Fu, Lidong Xia, Maria S. Madjarska, Zhenghua Huang

arxiv:1805.02880 v1 · 2018-05-08 · astro-ph.SR · physics.space-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7XWALHTRMUZDXT2TASJOETGZF}

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	2026-05-18T00:15:13.592760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ef602cf38b2991de7a9824971266c961ead201299b9317f14cd635a0ac46a4

Aliases

arxiv: 1805.02880 · arxiv_version: 1805.02880v1 · doi: 10.48550/arxiv.1805.02880 · pith_short_12: I7XWALHTRMUZ · pith_short_16: I7XWALHTRMUZDXT2 · pith_short_8: I7XWALHT

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/I7XWALHTRMUZDXT2TASJOETGZF \
  | 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: 47ef602cf38b2991de7a9824971266c961ead201299b9317f14cd635a0ac46a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ee391d1b6bdbcfc07cd1431e4479e03377243d00d17164e622ae236c89dc40",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-08T08:01:16Z",
    "title_canon_sha256": "071ffc6ced8831ca1c7f78bb6e9b4b8eb90b0333a89812b7fd58ec19d404c913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02880",
    "kind": "arxiv",
    "version": 1
  }
}