Pith Number

pith:B2FLQEFK

pith:2012:B2FLQEFKY3JRSYUDCCHSM33QMI

not attested not anchored not stored refs pending

A hydrodynamical model of the circumstellar bubble created by two massive stars

Alexandre Marcowith, Allard Jan van Marle, Zakaria Meliani

arxiv:1204.2078 v3 · 2012-04-10 · astro-ph.SR · astro-ph.GA · 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{B2FLQEFKY3JRSYUDCCHSM33QMI}

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	2026-05-18T01:57:55.438704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8ab810aac6d3196283108f266f706203bf3c40fd9ede5363077087661748cc

Aliases

arxiv: 1204.2078 · arxiv_version: 1204.2078v3 · doi: 10.48550/arxiv.1204.2078 · pith_short_12: B2FLQEFKY3JR · pith_short_16: B2FLQEFKY3JRSYUD · pith_short_8: B2FLQEFK

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/B2FLQEFKY3JRSYUDCCHSM33QMI \
  | 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: 0e8ab810aac6d3196283108f266f706203bf3c40fd9ede5363077087661748cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b026e6eb7ed097a763a11d5e1cb18dc9ebfe152ddf89d4208e51881abe851a13",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-10T08:29:22Z",
    "title_canon_sha256": "c215953ec4452254a3261fd59c785d50584a12e4cc52e15b6e806c309a3d2d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2078",
    "kind": "arxiv",
    "version": 3
  }
}