Pith Number

pith:TKL2UMWO

pith:2010:TKL2UMWOIJF6P7P7V62BGXEWCP

not attested not anchored not stored refs pending

Have proto-planetary discs formed planets?

J.S. Greaves, W.K.M. Rice

arxiv:1006.1220 v1 · 2010-06-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKL2UMWOIJF6P7P7V62BGXEWCP}

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	2026-05-18T02:06:56.850035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a97aa32ce424be7fdffafb4135c9613c092bcffdd35c3287274014218386dcd

Aliases

arxiv: 1006.1220 · arxiv_version: 1006.1220v1 · doi: 10.48550/arxiv.1006.1220 · pith_short_12: TKL2UMWOIJF6 · pith_short_16: TKL2UMWOIJF6P7P7 · pith_short_8: TKL2UMWO

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/TKL2UMWOIJF6P7P7V62BGXEWCP \
  | 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: 9a97aa32ce424be7fdffafb4135c9613c092bcffdd35c3287274014218386dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35718756bd2589939d1231f0d6df8a0667e43b197f6bb784b3627bd537328f87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-07T10:06:54Z",
    "title_canon_sha256": "2959afde6909315ad6fac5c9082dde50eb50ff83a56b47b2f9cb635bd2e6b04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1220",
    "kind": "arxiv",
    "version": 1
  }
}