Pith Number

pith:5S7DBU7Q

pith:2002:5S7DBU7QDYLYPHRU4N7WHMPQNG

not attested not anchored not stored refs pending

Probing the circumstellar structure of Herbig Ae/Be stars

Janet E. Drew, Jorick S. Vink, Rene D. Oudmaijer, Tim J. Harries

arxiv:astro-ph/0208137 v1 · 2002-08-06 · 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{5S7DBU7QDYLYPHRU4N7WHMPQNG}

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	2026-07-04T16:30:36.224229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecbe30d3f01e17879e34e37f63b1f0699828e7b9ae5878af7febf90af9ae5309

Aliases

arxiv: astro-ph/0208137 · arxiv_version: astro-ph/0208137v1 · doi: 10.48550/arxiv.astro-ph/0208137 · pith_short_12: 5S7DBU7QDYLY · pith_short_16: 5S7DBU7QDYLYPHRU · pith_short_8: 5S7DBU7Q

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/5S7DBU7QDYLYPHRU4N7WHMPQNG \
  | 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: ecbe30d3f01e17879e34e37f63b1f0699828e7b9ae5878af7febf90af9ae5309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaeb447b1a891e9dd0275a6658eee8d958842912f904bdfae0ff2a1f0faf4da9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-06T19:44:41Z",
    "title_canon_sha256": "7770d8e6175f32d1bc62585ca993cfa01f24d2cf32674f8dddc500b1023af9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208137",
    "kind": "arxiv",
    "version": 1
  }
}