Pith Number

pith:TGCOW4TE

pith:2009:TGCOW4TEFPLHW4FKUIQQWML7XG

not attested not anchored not stored refs pending

3D modelling of the colliding winds in Eta Carinae - evidence for radiative inhibition

E. R. Parkin, I. R. Stevens, J. M. Pittard, K. Hamaguchi, M. F. Corcoran

arxiv:0901.0862 v1 · 2009-01-07 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGCOW4TEFPLHW4FKUIQQWML7XG}

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	2026-05-18T02:15:03.074762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9984eb72642bd67b70aaa2210b317fb98aacc158f7a3a67039961fbbcea3f430

Aliases

arxiv: 0901.0862 · arxiv_version: 0901.0862v1 · doi: 10.48550/arxiv.0901.0862 · pith_short_12: TGCOW4TEFPLH · pith_short_16: TGCOW4TEFPLHW4FK · pith_short_8: TGCOW4TE

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/TGCOW4TEFPLHW4FKUIQQWML7XG \
  | 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: 9984eb72642bd67b70aaa2210b317fb98aacc158f7a3a67039961fbbcea3f430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec3179ed879e416f699682b42ee78f387acb6b32bf86df07e89385f8d5483e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-07T16:24:13Z",
    "title_canon_sha256": "3b1b0e900e695c89bd7f0bb823258c4583db5032efd81c1ba2261c315e8e3df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0862",
    "kind": "arxiv",
    "version": 1
  }
}