Pith Number

pith:CLPNHTIB

pith:2017:CLPNHTIBTC2HR4XTJYUWFKAADP

not attested not anchored not stored refs pending

The evolution of Galactic planetary nebula progenitors through the comparison of their nebular abundances with AGB yields

D. A. Garcia-Hernandez, F. Dell'Agli, L. Stanghellini, P. Ventura

arxiv:1707.08344 v1 · 2017-07-26 · 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{CLPNHTIBTC2HR4XTJYUWFKAADP}

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	2026-05-18T00:36:02.866208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ded3cd0198b478f2f34e2962a8001bfddbac4239a3434cb240597f4ddaa9f1

Aliases

arxiv: 1707.08344 · arxiv_version: 1707.08344v1 · doi: 10.48550/arxiv.1707.08344 · pith_short_12: CLPNHTIBTC2H · pith_short_16: CLPNHTIBTC2HR4XT · pith_short_8: CLPNHTIB

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/CLPNHTIBTC2HR4XTJYUWFKAADP \
  | 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: 12ded3cd0198b478f2f34e2962a8001bfddbac4239a3434cb240597f4ddaa9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908dfcb3fcfc143cc84f25c0a1cdb544c7dd30767b4ad7677dc8cbe84e9a4fc2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-26T09:55:41Z",
    "title_canon_sha256": "bead00a8188388903de8926acd92f9a16d5894300bb4b7fb69443ca2035af26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08344",
    "kind": "arxiv",
    "version": 1
  }
}