Pith Number

pith:HIJZPQVI

pith:1998:HIJZPQVITJVQLIC3XCK7TP6JFN

not attested not anchored not stored refs pending

Accretion Disks around Young Objects. I. The Detailed Vertical Structure

(2) Harvard-Smithsonian Center for Astrophysics, 3), (3) Centro de Investigaciones de Astronomia), Jorge Canto (1), Nuria Calvet (2, Paola D'Alessio (1), Susana Lizano (1) ((1)Instituto de Astronomia, UNAM

arxiv:astro-ph/9806060 v1 · 1998-06-04 · 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{HIJZPQVITJVQLIC3XCK7TP6JFN}

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	2026-05-18T04:28:57.214058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a1397c2a89a6b05a05bb895f9bfc92b7438a70bc268eaf31a4830418e4331de

Aliases

arxiv: astro-ph/9806060 · arxiv_version: astro-ph/9806060v1 · doi: 10.48550/arxiv.astro-ph/9806060 · pith_short_12: HIJZPQVITJVQ · pith_short_16: HIJZPQVITJVQLIC3 · pith_short_8: HIJZPQVI

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/HIJZPQVITJVQLIC3XCK7TP6JFN \
  | 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: 3a1397c2a89a6b05a05bb895f9bfc92b7438a70bc268eaf31a4830418e4331de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531c329c06105b3a57bb0fdd5461caf74b3ba3548f3dc3601bb8b52be0cf978d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-04T01:18:53Z",
    "title_canon_sha256": "7ab814024705e9addd0b0622c233ea308f4104bc1bde5881ffbdba23130b95d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806060",
    "kind": "arxiv",
    "version": 1
  }
}