Pith Number

pith:ETUGGPIQ

pith:1999:ETUGGPIQ2FWUYEF5E3SOIE5V2Y

not attested not anchored not stored refs pending

Observation and Modeling of the Solar Transition Region: II. Solutions of the Quasi-Static Loop Model

A. B. C. Walker, David I. Santiago, Hakeem M. Oluseyi, II, jr, Richard B. Hoover, Troy W. Barbee

arxiv:astro-ph/9904063 v1 · 1999-04-05 · astro-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{ETUGGPIQ2FWUYEF5E3SOIE5V2Y}

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	2026-05-18T03:47:42.487540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e8633d10d16d4c10bd26e4e413b5d623a1c79724551375fc285a956c200f11

Aliases

arxiv: astro-ph/9904063 · arxiv_version: astro-ph/9904063v1 · doi: 10.48550/arxiv.astro-ph/9904063 · pith_short_12: ETUGGPIQ2FWU · pith_short_16: ETUGGPIQ2FWUYEF5 · pith_short_8: ETUGGPIQ

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/ETUGGPIQ2FWUYEF5E3SOIE5V2Y \
  | 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: 24e8633d10d16d4c10bd26e4e413b5d623a1c79724551375fc285a956c200f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "604fc46405ba3f82523411d66fe2a45d4c594c660769a308c9526690390c45e5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-05T20:57:44Z",
    "title_canon_sha256": "4d15addc3cd077295925286be711717ab6e79d4673139f1288268dae1aab56de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904063",
    "kind": "arxiv",
    "version": 1
  }
}