Pith Number

pith:UT7T6SN7

pith:2012:UT7T6SN7ITB3TC4F44MO44CVTB

not attested not anchored not stored refs pending

Disc formation in turbulent cloud cores: Circumventing the magnetic braking catastrophe

D. Seifried, R. Banerjee, R. E. Pudritz, R. S. Klessen

arxiv:1208.4199 v1 · 2012-08-21 · astro-ph.GA · 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{UT7T6SN7ITB3TC4F44MO44CVTB}

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	2026-05-18T01:55:08.892655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ff3f49bf44c3b98b85e718ee705598458e9f5eb6a115954f0292628bd7f510

Aliases

arxiv: 1208.4199 · arxiv_version: 1208.4199v1 · doi: 10.48550/arxiv.1208.4199 · pith_short_12: UT7T6SN7ITB3 · pith_short_16: UT7T6SN7ITB3TC4F · pith_short_8: UT7T6SN7

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/UT7T6SN7ITB3TC4F44MO44CVTB \
  | 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: a4ff3f49bf44c3b98b85e718ee705598458e9f5eb6a115954f0292628bd7f510

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3550871cc0818c7cdd2008f6fe53bf5c656c7d42a2d0e6a2cd75684b5a80b75d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-21T06:43:31Z",
    "title_canon_sha256": "1f975d498d9dc1891ab4a82b69b4d79b76d8d3a0b75b4f5d5a9c0d33c43dcbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4199",
    "kind": "arxiv",
    "version": 1
  }
}