Pith Number

pith:AUBEKI6B

pith:1998:AUBEKI6BCO5D6FJWWQXX4APPEP

not attested not anchored not stored refs pending

Galactic Free-free Emission and H$\alpha$

J.G. Bartlett (Observatoire de Strasbourg) P. Amram (IGRAP, Observatoire de Marseille)

arxiv:astro-ph/9804330 v1 · 1998-04-30 · 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{AUBEKI6BCO5D6FJWWQXX4APPEP}

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	2026-05-18T01:07:37.498817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05024523c113ba3f1536b42f7e01ef23c4c29e3f035a72ce1ff0ca5aeaf03735

Aliases

arxiv: astro-ph/9804330 · arxiv_version: astro-ph/9804330v1 · doi: 10.48550/arxiv.astro-ph/9804330 · pith_short_12: AUBEKI6BCO5D · pith_short_16: AUBEKI6BCO5D6FJW · pith_short_8: AUBEKI6B

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/AUBEKI6BCO5D6FJWWQXX4APPEP \
  | 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: 05024523c113ba3f1536b42f7e01ef23c4c29e3f035a72ce1ff0ca5aeaf03735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f411b41425c2caff8bfd506399483edcc1c8d9f23a0abcdbd20820d4eb2592b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-30T09:17:07Z",
    "title_canon_sha256": "af0232c0ff6d4639c07781d5f748c5f8b7572f0edd6aed32861a34e3b9557491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804330",
    "kind": "arxiv",
    "version": 1
  }
}