Pith Number

pith:OA2WF26T

pith:2002:OA2WF26TCRASUAGFEOQSXBB6GU

not attested not anchored not stored refs pending

Low resolution spectroscopy of ISOGAL sources: Search for early-type stars with infrared excess

A. Omont, F. Sevre, G. Simon, M. Cohen, M. Parthasarathy, M. Schultheis, S. Ganesh

arxiv:astro-ph/0202422 v1 · 2002-02-22 · 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{OA2WF26TCRASUAGFEOQSXBB6GU}

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	2026-07-04T16:29:27.096630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703562ebd314412a00c523a12b843e350119f6ce6019d2ebb7908ab6354dc4c2

Aliases

arxiv: astro-ph/0202422 · arxiv_version: astro-ph/0202422v1 · doi: 10.48550/arxiv.astro-ph/0202422 · pith_short_12: OA2WF26TCRAS · pith_short_16: OA2WF26TCRASUAGF · pith_short_8: OA2WF26T

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/OA2WF26TCRASUAGFEOQSXBB6GU \
  | 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: 703562ebd314412a00c523a12b843e350119f6ce6019d2ebb7908ab6354dc4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318a78ac14c71c609eca53df38e1a4c6d3ca70e71be9d465c81f86f19d869f4d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-22T14:10:25Z",
    "title_canon_sha256": "9672a9d20e2f519ba30e04f4df36df0e3b390953e4721acdd4a8e63f6e564ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202422",
    "kind": "arxiv",
    "version": 1
  }
}