Pith Number

pith:W33TJC6O

pith:1998:W33TJC6OKBAPOBBCGTOBTG327X

not attested not anchored not stored refs pending

Faint, Large-scale H-Alpha Filaments in the Milky Way

L. M. Haffner, R. J. Reynolds, S. L. Tufte (UW--Madison)

arxiv:astro-ph/9805151 v1 · 1998-05-12 · 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{W33TJC6OKBAPOBBCGTOBTG327X}

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	2026-07-04T16:06:23.003228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f7348bce5040f7042234dc199b7afdff4b48a6952bfcac6ba40aa3a9ef4760

Aliases

arxiv: astro-ph/9805151 · arxiv_version: astro-ph/9805151v1 · doi: 10.48550/arxiv.astro-ph/9805151 · pith_short_12: W33TJC6OKBAP · pith_short_16: W33TJC6OKBAPOBBC · pith_short_8: W33TJC6O

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/W33TJC6OKBAPOBBCGTOBTG327X \
  | 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: b6f7348bce5040f7042234dc199b7afdff4b48a6952bfcac6ba40aa3a9ef4760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb5ccebd25c3fb69376342d2839845e9b2109f6e1307f1f238be57607427763",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-12T15:29:04Z",
    "title_canon_sha256": "bed4a9cff8f6bd73e85c3e2f852f1ea244357c172dae9501a4473b35654fd982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805151",
    "kind": "arxiv",
    "version": 1
  }
}