Pith Number

pith:ZXGBG7HC

pith:2009:ZXGBG7HCJ6RLDZAWI5CRR5CCPM

not attested not anchored not stored refs pending

3D Models of Radiatively Driven Colliding Winds In Massive O+O Star Binaries: I. Hydrodynamics

J. M. Pittard

arxiv:0904.0164 v1 · 2009-04-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXGBG7HCJ6RLDZAWI5CRR5CCPM}

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	2026-05-18T02:14:08.307090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcc137ce24fa2b1e416474518f4427b0cd687cac14f1ab6cd714cac24e69d5d

Aliases

arxiv: 0904.0164 · arxiv_version: 0904.0164v1 · doi: 10.48550/arxiv.0904.0164 · pith_short_12: ZXGBG7HCJ6RL · pith_short_16: ZXGBG7HCJ6RLDZAW · pith_short_8: ZXGBG7HC

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/ZXGBG7HCJ6RLDZAWI5CRR5CCPM \
  | 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: cdcc137ce24fa2b1e416474518f4427b0cd687cac14f1ab6cd714cac24e69d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbd7c0ff9ee951711c3243319227eea35ac223a35a0dccd8a54471fe15e48159",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-01T13:50:14Z",
    "title_canon_sha256": "c42da23bf38accab19a109170c9126aa9d4ace2b2e89bed1662e9a03077f2c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0164",
    "kind": "arxiv",
    "version": 1
  }
}