Pith Number

pith:7CNQFPJO

pith:2007:7CNQFPJOFBFCDFUJCEWYPJLXZ2

not attested not anchored not stored refs pending

Magnesium Isotopes in Halo Stars

ANU), Jorge Melendez (RSAA, Judith G. Cohen (Caltech)

arxiv:0708.3906 v1 · 2007-08-29 · 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{7CNQFPJOFBFCDFUJCEWYPJLXZ2}

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	2026-07-04T15:44:30.769234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89b02bd2e284a219689112d87a577ce803c061ec93f972748cb9f757cfbdb1c

Aliases

arxiv: 0708.3906 · arxiv_version: 0708.3906v1 · doi: 10.48550/arxiv.0708.3906 · pith_short_12: 7CNQFPJOFBFC · pith_short_16: 7CNQFPJOFBFCDFUJ · pith_short_8: 7CNQFPJO

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/7CNQFPJOFBFCDFUJCEWYPJLXZ2 \
  | 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: f89b02bd2e284a219689112d87a577ce803c061ec93f972748cb9f757cfbdb1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9fc532cc84d6017b36e9742084ea1153a2018dcf9264a98bdf2e46abb2e5eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-29T08:37:24Z",
    "title_canon_sha256": "ae41330c2d6e24aea6079b863ed3ae287ae86a12575f89eb0b8b387c44f04f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3906",
    "kind": "arxiv",
    "version": 1
  }
}