Pith Number

pith:CC3B5OAM

pith:2024:CC3B5OAMHAHMUQCPJCYRSAEGXC

not attested not anchored not stored refs pending

The IACOB project XIII. Helium enrichment in O-type stars as a tracer of past binary interaction

C. Mart\'inez-Sebasti\'an, G. Holgado, H. Jin, J. Puls, N. Langer, S. Sim\'on-D\'iaz, Z. Keszthelyi

arxiv:2412.14107 v1 · 2024-12-18 · astro-ph.SR · 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{CC3B5OAMHAHMUQCPJCYRSAEGXC}

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	2026-07-05T09:58:13.616046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10b61eb80c380eca404f48b1190086b8ad655218c9c12c4a44299c26e40a1026

Aliases

arxiv: 2412.14107 · arxiv_version: 2412.14107v1 · doi: 10.48550/arxiv.2412.14107 · pith_short_12: CC3B5OAMHAHM · pith_short_16: CC3B5OAMHAHMUQCP · pith_short_8: CC3B5OAM

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/CC3B5OAMHAHMUQCPJCYRSAEGXC \
  | 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: 10b61eb80c380eca404f48b1190086b8ad655218c9c12c4a44299c26e40a1026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f2c021cd3d861bcf4f7781633e46a2c3558a198a2e6e8f9be0c0d52af0b259",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-12-18T17:51:37Z",
    "title_canon_sha256": "eeddd7144ed165887e290e23d043b1a1d78bab0fd0b3cb1a3af0dae377e5152f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.14107",
    "kind": "arxiv",
    "version": 1
  }
}