Pith Number

pith:FOPRHLXP

pith:2008:FOPRHLXP243RWYTJXD7YAAOFYW

not attested not anchored not stored refs pending

Molecular hydrogen in the circumstellar environments of Herbig Ae/Be stars probed by FUSE

A. Lecavelier des Etangs, A. Roberge, A. Vidal-Madjar, C. Martin-Zaidi, C.P. Dullemond, J.-C. Bouret, J. Le Bourlot, L. Testi, M. Deleuil, P.D. Feldman

arxiv:0804.4761 v1 · 2008-04-30 · 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{FOPRHLXP243RWYTJXD7YAAOFYW}

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	2026-07-04T17:10:34.646303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9f13aeefd7371b6269b8ff8001c5c5a3f7e5edf1975f70f1497f6e68d8889a

Aliases

arxiv: 0804.4761 · arxiv_version: 0804.4761v1 · doi: 10.48550/arxiv.0804.4761 · pith_short_12: FOPRHLXP243R · pith_short_16: FOPRHLXP243RWYTJ · pith_short_8: FOPRHLXP

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/FOPRHLXP243RWYTJXD7YAAOFYW \
  | 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: 2b9f13aeefd7371b6269b8ff8001c5c5a3f7e5edf1975f70f1497f6e68d8889a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1a88e34c989da8e5a9b2f6bff0bcb6c72b736bca67b5b7cde008ef977c0620",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-30T08:50:20Z",
    "title_canon_sha256": "f349c5b455139c026ccf95b11e89fa22699b538bede916b0e33849823583a72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4761",
    "kind": "arxiv",
    "version": 1
  }
}