Pith Number

pith:VTKTTQLL

pith:1999:VTKTTQLLV33LPDUCG6JDDUNEGL

not attested not anchored not stored refs pending

Evidence for dust emission in the Warm Ionised Medium using WHAM data

G. Lagache, L.M. Haffner, R.J. Reynolds, S.L. Tufte

arxiv:astro-ph/9911355 v1 · 1999-11-18 · 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{VTKTTQLLV33LPDUCG6JDDUNEGL}

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	2026-05-18T04:25:39.615901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd539c16baef6b78e82379231d1a432eb75e9eb76acf2ceef653380f01ba895

Aliases

arxiv: astro-ph/9911355 · arxiv_version: astro-ph/9911355v1 · doi: 10.48550/arxiv.astro-ph/9911355 · pith_short_12: VTKTTQLLV33L · pith_short_16: VTKTTQLLV33LPDUC · pith_short_8: VTKTTQLL

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/VTKTTQLLV33LPDUCG6JDDUNEGL \
  | 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: acd539c16baef6b78e82379231d1a432eb75e9eb76acf2ceef653380f01ba895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfae6ae9d94afa758563299812c585f53c13d58ad901353a987f70f697f0a725",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-18T11:07:16Z",
    "title_canon_sha256": "2d4575239ccc5e32328c3f7c50b52464f93d7b5d4933a6fa192853503bfc61db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911355",
    "kind": "arxiv",
    "version": 1
  }
}