Pith Number

pith:UEFHZCY3

pith:2003:UEFHZCY3MDMZWLV46AAPDB23EF

not attested not anchored not stored refs pending

Accretion in Young Stellar/Substellar Objects

Cesar Briceno (CIDA), James Muzerolle (Steward), Lee Hartmann (CfA), Lynne Hillenbrand (Caltech), Nuria Calvet (CfA)

arxiv:astro-ph/0304078 v1 · 2003-04-03 · 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{UEFHZCY3MDMZWLV46AAPDB23EF}

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	2026-07-04T15:45:42.192398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a10a7c8b1b60d99b2ebcf000f1875b214212545cfc99009d57fa0dbdfd94fedb

Aliases

arxiv: astro-ph/0304078 · arxiv_version: astro-ph/0304078v1 · doi: 10.48550/arxiv.astro-ph/0304078 · pith_short_12: UEFHZCY3MDMZ · pith_short_16: UEFHZCY3MDMZWLV4 · pith_short_8: UEFHZCY3

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/UEFHZCY3MDMZWLV46AAPDB23EF \
  | 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: a10a7c8b1b60d99b2ebcf000f1875b214212545cfc99009d57fa0dbdfd94fedb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a699f33325719a665efdc528dfabe4575d92371857ee0eaa51a82ada70818a5d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-03T18:13:23Z",
    "title_canon_sha256": "00acc9632f4cf1a57bdd02751c0fb359a42b2cd543e97d219c8c478ad4ca1034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304078",
    "kind": "arxiv",
    "version": 1
  }
}