Pith Number

pith:SRLRFC66

pith:2007:SRLRFC666WHCGHAWI7YXYJ3KHV

not attested not anchored not stored refs pending

Where, oh where has the r-process gone?

G. J. Wasserburg, Y.-Z. Qian

arxiv:0708.1767 v1 · 2007-08-13 · 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{SRLRFC666WHCGHAWI7YXYJ3KHV}

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	2026-05-18T04:36:42.013372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9457128bdef58e231c1647f17c276a3d7e5e0d4173adf817f3298d0779b1181d

Aliases

arxiv: 0708.1767 · arxiv_version: 0708.1767v1 · doi: 10.48550/arxiv.0708.1767 · pith_short_12: SRLRFC666WHC · pith_short_16: SRLRFC666WHCGHAW · pith_short_8: SRLRFC66

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/SRLRFC666WHCGHAWI7YXYJ3KHV \
  | 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: 9457128bdef58e231c1647f17c276a3d7e5e0d4173adf817f3298d0779b1181d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af8272a5131558f1991acb62af7828367091aeb64f44e557f0116205f6a59008",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-13T20:16:30Z",
    "title_canon_sha256": "0b40fe91c2e1d04f273821f67258f25b7f56b8305194c52d0a4afb88beb530fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1767",
    "kind": "arxiv",
    "version": 1
  }
}