Pith Number

pith:R46VLG5D

pith:2006:R46VLG5DJ23AXORNRHM7L27W23

not attested not anchored not stored refs pending

Evidence for Mass-dependent Circumstellar Disk Evolution in the 5 Myr-old Upper Scorpius OB Association

Eric E. Mamajek, John M. Carpenter, Lynne A. Hillenbrand, Michael R. Meyer

arxiv:astro-ph/0609372 v1 · 2006-09-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R46VLG5DJ23AXORNRHM7L27W23}

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	2026-05-18T04:28:57.747810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3d559ba34eb60bba2d89d9f5ebf6d6d7f1e2ec1ee4d2c8981ae4b83678fac7

Aliases

arxiv: astro-ph/0609372 · arxiv_version: astro-ph/0609372v1 · doi: 10.48550/arxiv.astro-ph/0609372 · pith_short_12: R46VLG5DJ23A · pith_short_16: R46VLG5DJ23AXORN · pith_short_8: R46VLG5D

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/R46VLG5DJ23AXORNRHM7L27W23 \
  | 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: 8f3d559ba34eb60bba2d89d9f5ebf6d6d7f1e2ec1ee4d2c8981ae4b83678fac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc8a9e1cfb2f1c821d8dd3b9ff8e00f45564646f744e49f4cf6b4c1dbae94816",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-13T20:14:43Z",
    "title_canon_sha256": "636e4797eec0284e3e78870193aa48770f1ca604e2ef0ee5e078ff65af311ef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609372",
    "kind": "arxiv",
    "version": 1
  }
}