Pith Number

pith:R3REH6YF

pith:2009:R3REH6YF5KGLWM5FQB4HDQ2QHM

not attested not anchored not stored refs pending

A differentially rotating disc in a high-mass protostellar system

J. Conway, M. Elitzur, M. Pestalozzi

arxiv:0904.3722 v1 · 2009-04-23 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3REH6YF5KGLWM5FQB4HDQ2QHM}

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	2026-05-18T02:13:57.728224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ee243fb05ea8cbb33a5807871c3503b210940ebd57092f20bdf10e6373567e1

Aliases

arxiv: 0904.3722 · arxiv_version: 0904.3722v1 · doi: 10.48550/arxiv.0904.3722 · pith_short_12: R3REH6YF5KGL · pith_short_16: R3REH6YF5KGLWM5F · pith_short_8: R3REH6YF

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/R3REH6YF5KGLWM5FQB4HDQ2QHM \
  | 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: 8ee243fb05ea8cbb33a5807871c3503b210940ebd57092f20bdf10e6373567e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8717510a99a320a68ee85ecf2686aa13b205aadc962a68522c962ac74d290cf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-23T15:49:56Z",
    "title_canon_sha256": "3bd36ab4125c02433e185c46a5988976fc43142794301c02e6d5c5153e885125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3722",
    "kind": "arxiv",
    "version": 1
  }
}