Pith Number

pith:AMER6T4Y

pith:1997:AMER6T4Y45UU4CFEDFNCO3772I

not attested not anchored not stored refs pending

Diffuse interstellar bands in the spectra of massive YSOs

Graeme Busfield, Janet E. Drew, Rene D. Oudmaijer

arxiv:astro-ph/9709235 v1 · 1997-09-24 · 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{AMER6T4Y45UU4CFEDFNCO3772I}

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	2026-05-18T01:40:16.715162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03091f4f98e7694e08a4195a276fffd230dbeed0dab26742a4f2f862a892dd33

Aliases

arxiv: astro-ph/9709235 · arxiv_version: astro-ph/9709235v1 · doi: 10.48550/arxiv.astro-ph/9709235 · pith_short_12: AMER6T4Y45UU · pith_short_16: AMER6T4Y45UU4CFE · pith_short_8: AMER6T4Y

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/AMER6T4Y45UU4CFEDFNCO3772I \
  | 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: 03091f4f98e7694e08a4195a276fffd230dbeed0dab26742a4f2f862a892dd33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04726b2a74c7c8e1d6e69fee26db458e4541d1fd013a900b604c1f53d0b52aa3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-24T18:00:54Z",
    "title_canon_sha256": "be649305bced1aa315c28c9bc2a46d101d37352788d99a87889838129405ad58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709235",
    "kind": "arxiv",
    "version": 1
  }
}