Pith Number

pith:RNKGDZKY

pith:2006:RNKGDZKYSXJYX6N63MH76BU7X5

not attested not anchored not stored refs pending

Photoevaporation of protoplanetary discs II: evolutionary models and observable properties

C.J.Clarke, J.E.Pringle, R.D.Alexander

arxiv:astro-ph/0603254 v1 · 2006-03-09 · 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{RNKGDZKYSXJYX6N63MH76BU7X5}

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	2026-07-04T16:58:23.786770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5461e55895d38bf9bedb0fff069fbf745fb93f683a6b54cc778b9394adb6c5

Aliases

arxiv: astro-ph/0603254 · arxiv_version: astro-ph/0603254v1 · doi: 10.48550/arxiv.astro-ph/0603254 · pith_short_12: RNKGDZKYSXJY · pith_short_16: RNKGDZKYSXJYX6N6 · pith_short_8: RNKGDZKY

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/RNKGDZKYSXJYX6N63MH76BU7X5 \
  | 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: 8b5461e55895d38bf9bedb0fff069fbf745fb93f683a6b54cc778b9394adb6c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe944f981f15cea9d37ddfe571888e73bf6a38006c6b563e08da7b1e30802a38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-09T23:29:08Z",
    "title_canon_sha256": "05cba72456f9f38dd1f94a6070eb19edfa30dbada5fba4dcc3ca1f92d8dfcbaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603254",
    "kind": "arxiv",
    "version": 1
  }
}