Pith Number

pith:2IV6DXYH

pith:2012:2IV6DXYHBMX4OZ5ICHRMQEKFUD

not attested not anchored not stored refs pending

Formation and Early Evolution of Circumstellar Disks in Turbulent Molecular Cloud Cores

Masahiro N. Machida, Yusuke Tsukamoto

arxiv:1210.0526 v1 · 2012-10-01 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IV6DXYHBMX4OZ5ICHRMQEKFUD}

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	2026-05-18T03:40:02.708609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22be1df070b2fc767a811e2c81145a0f6a642a6cc33bf193e4a3c5c4f5f35d1

Aliases

arxiv: 1210.0526 · arxiv_version: 1210.0526v1 · doi: 10.48550/arxiv.1210.0526 · pith_short_12: 2IV6DXYHBMX4 · pith_short_16: 2IV6DXYHBMX4OZ5I · pith_short_8: 2IV6DXYH

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/2IV6DXYHBMX4OZ5ICHRMQEKFUD \
  | 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: d22be1df070b2fc767a811e2c81145a0f6a642a6cc33bf193e4a3c5c4f5f35d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3c3ff1ca684ea571b06ea27fa351ce8a4d2c9eaede3c3900f6a1f38c6e6ef3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-01T19:59:23Z",
    "title_canon_sha256": "ebe86b1f90e9f30c5992a43c64668d9787952e445afd1d1f9c5deb5c45846f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0526",
    "kind": "arxiv",
    "version": 1
  }
}